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Finding the Fourth Proportional to 499,848.30, 749,772.45 and 499,848.30

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Solution

The fourth proportional to 499,848.30, 749,772.45 and 499,848.30 is: 749,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,848.30 : 749,772.45 = 499,848.30 : x
  2. Step 2: Convert to fraction form
    499,848.30/749,772.45 = 499,848.30/x
  3. Step 3: Cross multiply
    499,848.30x = 749,772.45 × 499,848.30
  4. Step 4: Simplify right side
    499,848.30x = 374,772,484,519.34
  5. Step 5: Solve for x
    x = 374,772,484,519.34/499,848.30
  6. Step 6: Final answer
    x = 749,772.45

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Half scale
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Double scale
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Similar ratio
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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.