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Finding the Fourth Proportional to 424,033.17, 636,046.51 and 108,489.57

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Solution

The fourth proportional to 424,033.17, 636,046.51 and 108,489.57 is: 162,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,033.17 : 636,046.51 = 108,489.57 : x
  2. Step 2: Convert to fraction form
    424,033.17/636,046.51 = 108,489.57/x
  3. Step 3: Cross multiply
    424,033.17x = 636,046.51 × 108,489.57
  4. Step 4: Simplify right side
    424,033.17x = 69,004,412,369.90
  5. Step 5: Solve for x
    x = 69,004,412,369.90/424,033.17
  6. Step 6: Final answer
    x = 162,733.52

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1.5x scale

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.