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Finding the Fourth Proportional to 517,169,607.60, 775,754,411.40 and 323,299,930.80

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Solution

The fourth proportional to 517,169,607.60, 775,754,411.40 and 323,299,930.80 is: 484,949,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,169,607.60 : 775,754,411.40 = 323,299,930.80 : x
  2. Step 2: Convert to fraction form
    517,169,607.60/775,754,411.40 = 323,299,930.80/x
  3. Step 3: Cross multiply
    517,169,607.60x = 775,754,411.40 × 323,299,930.80
  4. Step 4: Simplify right side
    517,169,607.60x = 250,801,347,523,414,720
  5. Step 5: Solve for x
    x = 250,801,347,523,414,720/517,169,607.60
  6. Step 6: Final answer
    x = 484,949,896.20

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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.