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Finding the Fourth Proportional to 539,099.55, 743,948.15 and 297,405.27

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Solution

The fourth proportional to 539,099.55, 743,948.15 and 297,405.27 is: 410,414.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,099.55 : 743,948.15 = 297,405.27 : x
  2. Step 2: Convert to fraction form
    539,099.55/743,948.15 = 297,405.27/x
  3. Step 3: Cross multiply
    539,099.55x = 743,948.15 × 297,405.27
  4. Step 4: Simplify right side
    539,099.55x = 221,254,098,929.72
  5. Step 5: Solve for x
    x = 221,254,098,929.72/539,099.55
  6. Step 6: Final answer
    x = 410,414.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.