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Finding the Fourth Proportional to 531,494.92, 797,436.78 and 247,321

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Solution

The fourth proportional to 531,494.92, 797,436.78 and 247,321 is: 371,071.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,494.92 : 797,436.78 = 247,321 : x
  2. Step 2: Convert to fraction form
    531,494.92/797,436.78 = 247,321/x
  3. Step 3: Cross multiply
    531,494.92x = 797,436.78 × 247,321
  4. Step 4: Simplify right side
    531,494.92x = 197,222,861,866.38
  5. Step 5: Solve for x
    x = 197,222,861,866.38/531,494.92
  6. Step 6: Final answer
    x = 371,071.96

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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.