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Finding the Fourth Proportional to 499,896.20, 749,844.30 and 499,896.20

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Solution

The fourth proportional to 499,896.20, 749,844.30 and 499,896.20 is: 749,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,896.20 : 749,844.30 = 499,896.20 : x
  2. Step 2: Convert to fraction form
    499,896.20/749,844.30 = 499,896.20/x
  3. Step 3: Cross multiply
    499,896.20x = 749,844.30 × 499,896.20
  4. Step 4: Simplify right side
    499,896.20x = 374,844,316,161.66
  5. Step 5: Solve for x
    x = 374,844,316,161.66/499,896.20
  6. Step 6: Final answer
    x = 749,844.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 499,897.20, 749,845.80 and 499,897.20
Similar ratio
Find fourth proportional to 749,844.30, 1,124,766.45 and 749,844.30
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.