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Finding the Fourth Proportional to 625,840.93, 938,346.58 and 226,429.75

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Solution

The fourth proportional to 625,840.93, 938,346.58 and 226,429.75 is: 339,494.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,840.93 : 938,346.58 = 226,429.75 : x
  2. Step 2: Convert to fraction form
    625,840.93/938,346.58 = 226,429.75/x
  3. Step 3: Cross multiply
    625,840.93x = 938,346.58 × 226,429.75
  4. Step 4: Simplify right side
    625,840.93x = 212,469,581,522.76
  5. Step 5: Solve for x
    x = 212,469,581,522.76/625,840.93
  6. Step 6: Final answer
    x = 339,494.54

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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.