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Finding the Fourth Proportional to 424,098.53, 636,147.39 and 108,554.93

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Solution

The fourth proportional to 424,098.53, 636,147.39 and 108,554.93 is: 162,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,098.53 : 636,147.39 = 108,554.93 : x
  2. Step 2: Convert to fraction form
    424,098.53/636,147.39 = 108,554.93/x
  3. Step 3: Cross multiply
    424,098.53x = 636,147.39 × 108,554.93
  4. Step 4: Simplify right side
    424,098.53x = 69,056,935,391.13
  5. Step 5: Solve for x
    x = 69,056,935,391.13/424,098.53
  6. Step 6: Final answer
    x = 162,832.29

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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.