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Finding the Fourth Proportional to 496,515.53, 744,774.84 and 136,691.18

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Solution

The fourth proportional to 496,515.53, 744,774.84 and 136,691.18 is: 205,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,515.53 : 744,774.84 = 136,691.18 : x
  2. Step 2: Convert to fraction form
    496,515.53/744,774.84 = 136,691.18/x
  3. Step 3: Cross multiply
    496,515.53x = 744,774.84 × 136,691.18
  4. Step 4: Simplify right side
    496,515.53x = 101,804,151,713.91
  5. Step 5: Solve for x
    x = 101,804,151,713.91/496,515.53
  6. Step 6: Final answer
    x = 205,037.20

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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.