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Finding the Fourth Proportional to 546,717.71, 819,983.09 and 147,265.06

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Solution

The fourth proportional to 546,717.71, 819,983.09 and 147,265.06 is: 220,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,717.71 : 819,983.09 = 147,265.06 : x
  2. Step 2: Convert to fraction form
    546,717.71/819,983.09 = 147,265.06/x
  3. Step 3: Cross multiply
    546,717.71x = 819,983.09 × 147,265.06
  4. Step 4: Simplify right side
    546,717.71x = 120,754,861,472.12
  5. Step 5: Solve for x
    x = 120,754,861,472.12/546,717.71
  6. Step 6: Final answer
    x = 220,872.42

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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.