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Finding the Fourth Proportional to 499,499.60, 749,249.40 and 183,891.20

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Solution

The fourth proportional to 499,499.60, 749,249.40 and 183,891.20 is: 275,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,499.60 : 749,249.40 = 183,891.20 : x
  2. Step 2: Convert to fraction form
    499,499.60/749,249.40 = 183,891.20/x
  3. Step 3: Cross multiply
    499,499.60x = 749,249.40 × 183,891.20
  4. Step 4: Simplify right side
    499,499.60x = 137,780,371,265.28
  5. Step 5: Solve for x
    x = 137,780,371,265.28/499,499.60
  6. Step 6: Final answer
    x = 275,836.80

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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.