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Finding the Fourth Proportional to 413,171.28, 619,698.60 and 132,652.08

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Solution

The fourth proportional to 413,171.28, 619,698.60 and 132,652.08 is: 198,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,171.28 : 619,698.60 = 132,652.08 : x
  2. Step 2: Convert to fraction form
    413,171.28/619,698.60 = 132,652.08/x
  3. Step 3: Cross multiply
    413,171.28x = 619,698.60 × 132,652.08
  4. Step 4: Simplify right side
    413,171.28x = 82,204,308,263.09
  5. Step 5: Solve for x
    x = 82,204,308,263.09/413,171.28
  6. Step 6: Final answer
    x = 198,959.40

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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.