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Finding the Fourth Proportional to 656,351.88, 984,527.77 and 157,715.88

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Solution

The fourth proportional to 656,351.88, 984,527.77 and 157,715.88 is: 236,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,351.88 : 984,527.77 = 157,715.88 : x
  2. Step 2: Convert to fraction form
    656,351.88/984,527.77 = 157,715.88/x
  3. Step 3: Cross multiply
    656,351.88x = 984,527.77 × 157,715.88
  4. Step 4: Simplify right side
    656,351.88x = 155,275,663,629.99
  5. Step 5: Solve for x
    x = 155,275,663,629.99/656,351.88
  6. Step 6: Final answer
    x = 236,573.81

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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.