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Finding the Fourth Proportional to 625,599.12, 938,200.50 and 226,187.04

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Solution

The fourth proportional to 625,599.12, 938,200.50 and 226,187.04 is: 339,208.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,599.12 : 938,200.50 = 226,187.04 : x
  2. Step 2: Convert to fraction form
    625,599.12/938,200.50 = 226,187.04/x
  3. Step 3: Cross multiply
    625,599.12x = 938,200.50 × 226,187.04
  4. Step 4: Simplify right side
    625,599.12x = 212,208,794,021.52
  5. Step 5: Solve for x
    x = 212,208,794,021.52/625,599.12
  6. Step 6: Final answer
    x = 339,208.91

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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.