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Finding the Fourth Proportional to 424,018.18, 636,024.02 and 108,474.58

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Solution

The fourth proportional to 424,018.18, 636,024.02 and 108,474.58 is: 162,711.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,018.18 : 636,024.02 = 108,474.58 : x
  2. Step 2: Convert to fraction form
    424,018.18/636,024.02 = 108,474.58/x
  3. Step 3: Cross multiply
    424,018.18x = 636,024.02 × 108,474.58
  4. Step 4: Simplify right side
    424,018.18x = 68,992,438,439.41
  5. Step 5: Solve for x
    x = 68,992,438,439.41/424,018.18
  6. Step 6: Final answer
    x = 162,711.04

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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.