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Finding the Fourth Proportional to 410,873.34, 616,337.88 and 126,546.33

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Solution

The fourth proportional to 410,873.34, 616,337.88 and 126,546.33 is: 189,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,873.34 : 616,337.88 = 126,546.33 : x
  2. Step 2: Convert to fraction form
    410,873.34/616,337.88 = 126,546.33/x
  3. Step 3: Cross multiply
    410,873.34x = 616,337.88 × 126,546.33
  4. Step 4: Simplify right side
    410,873.34x = 77,995,296,753.98
  5. Step 5: Solve for x
    x = 77,995,296,753.98/410,873.34
  6. Step 6: Final answer
    x = 189,828.08

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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.