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Finding the Fourth Proportional to 625,897.33, 938,431.17 and 226,486.13

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Solution

The fourth proportional to 625,897.33, 938,431.17 and 226,486.13 is: 339,579.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,897.33 : 938,431.17 = 226,486.13 : x
  2. Step 2: Convert to fraction form
    625,897.33/938,431.17 = 226,486.13/x
  3. Step 3: Cross multiply
    625,897.33x = 938,431.17 × 226,486.13
  4. Step 4: Simplify right side
    625,897.33x = 212,541,639,272.52
  5. Step 5: Solve for x
    x = 212,541,639,272.52/625,897.33
  6. Step 6: Final answer
    x = 339,579.08

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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.