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Finding the Fourth Proportional to 496,515.27, 744,774.46 and 136,690.93

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Solution

The fourth proportional to 496,515.27, 744,774.46 and 136,690.93 is: 205,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,515.27 : 744,774.46 = 136,690.93 : x
  2. Step 2: Convert to fraction form
    496,515.27/744,774.46 = 136,690.93/x
  3. Step 3: Cross multiply
    496,515.27x = 744,774.46 × 136,690.93
  4. Step 4: Simplify right side
    496,515.27x = 101,803,913,577.65
  5. Step 5: Solve for x
    x = 101,803,913,577.65/496,515.27
  6. Step 6: Final answer
    x = 205,036.82

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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.