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Finding the Fourth Proportional to 453,545.20, 680,026.20 and 187,411.60

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Solution

The fourth proportional to 453,545.20, 680,026.20 and 187,411.60 is: 280,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,545.20 : 680,026.20 = 187,411.60 : x
  2. Step 2: Convert to fraction form
    453,545.20/680,026.20 = 187,411.60/x
  3. Step 3: Cross multiply
    453,545.20x = 680,026.20 × 187,411.60
  4. Step 4: Simplify right side
    453,545.20x = 127,444,798,183.92
  5. Step 5: Solve for x
    x = 127,444,798,183.92/453,545.20
  6. Step 6: Final answer
    x = 280,996.91

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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.