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Finding the Fourth Proportional to 625,781.39, 936,346.97 and 373,199.29

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Solution

The fourth proportional to 625,781.39, 936,346.97 and 373,199.29 is: 558,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,781.39 : 936,346.97 = 373,199.29 : x
  2. Step 2: Convert to fraction form
    625,781.39/936,346.97 = 373,199.29/x
  3. Step 3: Cross multiply
    625,781.39x = 936,346.97 × 373,199.29
  4. Step 4: Simplify right side
    625,781.39x = 349,444,022,989.78
  5. Step 5: Solve for x
    x = 349,444,022,989.78/625,781.39
  6. Step 6: Final answer
    x = 558,412.30

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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.