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Finding the Fourth Proportional to 625,607.07, 938,265.70 and 372,958.35

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Solution

The fourth proportional to 625,607.07, 938,265.70 and 372,958.35 is: 559,351.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,607.07 : 938,265.70 = 372,958.35 : x
  2. Step 2: Convert to fraction form
    625,607.07/938,265.70 = 372,958.35/x
  3. Step 3: Cross multiply
    625,607.07x = 938,265.70 × 372,958.35
  4. Step 4: Simplify right side
    625,607.07x = 349,934,027,333.60
  5. Step 5: Solve for x
    x = 349,934,027,333.60/625,607.07
  6. Step 6: Final answer
    x = 559,351.14

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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.