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Finding the Fourth Proportional to 625,910.52, 938,451 and 226,499.34

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Solution

The fourth proportional to 625,910.52, 938,451 and 226,499.34 is: 339,598.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,910.52 : 938,451 = 226,499.34 : x
  2. Step 2: Convert to fraction form
    625,910.52/938,451 = 226,499.34/x
  3. Step 3: Cross multiply
    625,910.52x = 938,451 × 226,499.34
  4. Step 4: Simplify right side
    625,910.52x = 212,558,532,122.34
  5. Step 5: Solve for x
    x = 212,558,532,122.34/625,910.52
  6. Step 6: Final answer
    x = 339,598.91

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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.