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Finding the Fourth Proportional to 632,044.11, 872,229.14 and 345,564.52

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Solution

The fourth proportional to 632,044.11, 872,229.14 and 345,564.52 is: 476,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,044.11 : 872,229.14 = 345,564.52 : x
  2. Step 2: Convert to fraction form
    632,044.11/872,229.14 = 345,564.52/x
  3. Step 3: Cross multiply
    632,044.11x = 872,229.14 × 345,564.52
  4. Step 4: Simplify right side
    632,044.11x = 301,411,447,138.60
  5. Step 5: Solve for x
    x = 301,411,447,138.60/632,044.11
  6. Step 6: Final answer
    x = 476,883.56

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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.