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Finding the Fourth Proportional to 491,577.16, 737,365.32 and 136,591

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Solution

The fourth proportional to 491,577.16, 737,365.32 and 136,591 is: 204,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,577.16 : 737,365.32 = 136,591 : x
  2. Step 2: Convert to fraction form
    491,577.16/737,365.32 = 136,591/x
  3. Step 3: Cross multiply
    491,577.16x = 737,365.32 × 136,591
  4. Step 4: Simplify right side
    491,577.16x = 100,717,466,424.12
  5. Step 5: Solve for x
    x = 100,717,466,424.12/491,577.16
  6. Step 6: Final answer
    x = 204,886.38

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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.