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Finding the Fourth Proportional to 532,347.13, 798,127.03 and 321,938.29

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Solution

The fourth proportional to 532,347.13, 798,127.03 and 321,938.29 is: 482,669.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,347.13 : 798,127.03 = 321,938.29 : x
  2. Step 2: Convert to fraction form
    532,347.13/798,127.03 = 321,938.29/x
  3. Step 3: Cross multiply
    532,347.13x = 798,127.03 × 321,938.29
  4. Step 4: Simplify right side
    532,347.13x = 256,947,645,640.65
  5. Step 5: Solve for x
    x = 256,947,645,640.65/532,347.13
  6. Step 6: Final answer
    x = 482,669.36

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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.