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Finding the Fourth Proportional to 656,363.54, 984,545.20 and 157,727.54

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Solution

The fourth proportional to 656,363.54, 984,545.20 and 157,727.54 is: 236,591.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,363.54 : 984,545.20 = 157,727.54 : x
  2. Step 2: Convert to fraction form
    656,363.54/984,545.20 = 157,727.54/x
  3. Step 3: Cross multiply
    656,363.54x = 984,545.20 × 157,727.54
  4. Step 4: Simplify right side
    656,363.54x = 155,289,892,414.81
  5. Step 5: Solve for x
    x = 155,289,892,414.81/656,363.54
  6. Step 6: Final answer
    x = 236,591.28

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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.