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Finding the Fourth Proportional to 625,351.16, 939,282 and 373,123.88

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Solution

The fourth proportional to 625,351.16, 939,282 and 373,123.88 is: 560,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,351.16 : 939,282 = 373,123.88 : x
  2. Step 2: Convert to fraction form
    625,351.16/939,282 = 373,123.88/x
  3. Step 3: Cross multiply
    625,351.16x = 939,282 × 373,123.88
  4. Step 4: Simplify right side
    625,351.16x = 350,468,544,254.16
  5. Step 5: Solve for x
    x = 350,468,544,254.16/625,351.16
  6. Step 6: Final answer
    x = 560,434.79

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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.