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Finding the Fourth Proportional to 625,353.16, 939,285 and 373,125.88

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Solution

The fourth proportional to 625,353.16, 939,285 and 373,125.88 is: 560,437.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,353.16 : 939,285 = 373,125.88 : x
  2. Step 2: Convert to fraction form
    625,353.16/939,285 = 373,125.88/x
  3. Step 3: Cross multiply
    625,353.16x = 939,285 × 373,125.88
  4. Step 4: Simplify right side
    625,353.16x = 350,471,542,195.80
  5. Step 5: Solve for x
    x = 350,471,542,195.80/625,353.16
  6. Step 6: Final answer
    x = 560,437.79

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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.