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Finding the Fourth Proportional to 625,758.32, 938,222.72 and 226,346.48

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Solution

The fourth proportional to 625,758.32, 938,222.72 and 226,346.48 is: 339,369.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,758.32 : 938,222.72 = 226,346.48 : x
  2. Step 2: Convert to fraction form
    625,758.32/938,222.72 = 226,346.48/x
  3. Step 3: Cross multiply
    625,758.32x = 938,222.72 × 226,346.48
  4. Step 4: Simplify right side
    625,758.32x = 212,363,410,128.03
  5. Step 5: Solve for x
    x = 212,363,410,128.03/625,758.32
  6. Step 6: Final answer
    x = 339,369.69

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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.