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Finding the Fourth Proportional to 625,544.03, 938,172.13 and 372,895.85

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Solution

The fourth proportional to 625,544.03, 938,172.13 and 372,895.85 is: 559,257.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,544.03 : 938,172.13 = 372,895.85 : x
  2. Step 2: Convert to fraction form
    625,544.03/938,172.13 = 372,895.85/x
  3. Step 3: Cross multiply
    625,544.03x = 938,172.13 × 372,895.85
  4. Step 4: Simplify right side
    625,544.03x = 349,840,493,862.66
  5. Step 5: Solve for x
    x = 349,840,493,862.66/625,544.03
  6. Step 6: Final answer
    x = 559,257.99

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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.