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Finding the Fourth Proportional to 517,850.92, 714,545.22 and 475,994.80

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Solution

The fourth proportional to 517,850.92, 714,545.22 and 475,994.80 is: 656,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,850.92 : 714,545.22 = 475,994.80 : x
  2. Step 2: Convert to fraction form
    517,850.92/714,545.22 = 475,994.80/x
  3. Step 3: Cross multiply
    517,850.92x = 714,545.22 × 475,994.80
  4. Step 4: Simplify right side
    517,850.92x = 340,119,809,084.86
  5. Step 5: Solve for x
    x = 340,119,809,084.86/517,850.92
  6. Step 6: Final answer
    x = 656,790.97

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.