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Finding the Fourth Proportional to 529,298.31, 793,545.71 and 272,854.55

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Solution

The fourth proportional to 529,298.31, 793,545.71 and 272,854.55 is: 409,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,298.31 : 793,545.71 = 272,854.55 : x
  2. Step 2: Convert to fraction form
    529,298.31/793,545.71 = 272,854.55/x
  3. Step 3: Cross multiply
    529,298.31x = 793,545.71 × 272,854.55
  4. Step 4: Simplify right side
    529,298.31x = 216,522,552,274.48
  5. Step 5: Solve for x
    x = 216,522,552,274.48/529,298.31
  6. Step 6: Final answer
    x = 409,074.71

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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.