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Finding the Fourth Proportional to 491,567.88, 737,351.48 and 136,581.74

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Solution

The fourth proportional to 491,567.88, 737,351.48 and 136,581.74 is: 204,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,567.88 : 737,351.48 = 136,581.74 : x
  2. Step 2: Convert to fraction form
    491,567.88/737,351.48 = 136,581.74/x
  3. Step 3: Cross multiply
    491,567.88x = 737,351.48 × 136,581.74
  4. Step 4: Simplify right side
    491,567.88x = 100,708,744,443.22
  5. Step 5: Solve for x
    x = 100,708,744,443.22/491,567.88
  6. Step 6: Final answer
    x = 204,872.51

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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.