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Finding the Fourth Proportional to 454,262.20, 681,393.30 and 424,737.70

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Solution

The fourth proportional to 454,262.20, 681,393.30 and 424,737.70 is: 637,106.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,262.20 : 681,393.30 = 424,737.70 : x
  2. Step 2: Convert to fraction form
    454,262.20/681,393.30 = 424,737.70/x
  3. Step 3: Cross multiply
    454,262.20x = 681,393.30 × 424,737.70
  4. Step 4: Simplify right side
    454,262.20x = 289,413,423,037.41
  5. Step 5: Solve for x
    x = 289,413,423,037.41/454,262.20
  6. Step 6: Final answer
    x = 637,106.55

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Similar ratio
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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.