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Finding the Fourth Proportional to 508,101.13, 701,129.03 and 293,310.39

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Solution

The fourth proportional to 508,101.13, 701,129.03 and 293,310.39 is: 404,739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,101.13 : 701,129.03 = 293,310.39 : x
  2. Step 2: Convert to fraction form
    508,101.13/701,129.03 = 293,310.39/x
  3. Step 3: Cross multiply
    508,101.13x = 701,129.03 × 293,310.39
  4. Step 4: Simplify right side
    508,101.13x = 205,648,429,229.62
  5. Step 5: Solve for x
    x = 205,648,429,229.62/508,101.13
  6. Step 6: Final answer
    x = 404,739.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.