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Finding the Fourth Proportional to 656,463.77, 984,695.54 and 207,499.87

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Solution

The fourth proportional to 656,463.77, 984,695.54 and 207,499.87 is: 311,249.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,463.77 : 984,695.54 = 207,499.87 : x
  2. Step 2: Convert to fraction form
    656,463.77/984,695.54 = 207,499.87/x
  3. Step 3: Cross multiply
    656,463.77x = 984,695.54 × 207,499.87
  4. Step 4: Simplify right side
    656,463.77x = 204,324,193,040.34
  5. Step 5: Solve for x
    x = 204,324,193,040.34/656,463.77
  6. Step 6: Final answer
    x = 311,249.77

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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.