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Finding the Fourth Proportional to 344,494.40, 516,708.19 and 104,610.38

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Solution

The fourth proportional to 344,494.40, 516,708.19 and 104,610.38 is: 156,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,494.40 : 516,708.19 = 104,610.38 : x
  2. Step 2: Convert to fraction form
    344,494.40/516,708.19 = 104,610.38/x
  3. Step 3: Cross multiply
    344,494.40x = 516,708.19 × 104,610.38
  4. Step 4: Simplify right side
    344,494.40x = 54,053,040,105.01
  5. Step 5: Solve for x
    x = 54,053,040,105.01/344,494.40
  6. Step 6: Final answer
    x = 156,905.42

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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.