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Finding the Fourth Proportional to 658,362.48, 908,614.17 and 371,901.03

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Solution

The fourth proportional to 658,362.48, 908,614.17 and 371,901.03 is: 513,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,362.48 : 908,614.17 = 371,901.03 : x
  2. Step 2: Convert to fraction form
    658,362.48/908,614.17 = 371,901.03/x
  3. Step 3: Cross multiply
    658,362.48x = 908,614.17 × 371,901.03
  4. Step 4: Simplify right side
    658,362.48x = 337,914,545,695.60
  5. Step 5: Solve for x
    x = 337,914,545,695.60/658,362.48
  6. Step 6: Final answer
    x = 513,265.19

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Why These Related Problems?

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