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Finding the Fourth Proportional to 656,374.52, 984,561.68 and 157,738.52

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Solution

The fourth proportional to 656,374.52, 984,561.68 and 157,738.52 is: 236,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,374.52 : 984,561.68 = 157,738.52 : x
  2. Step 2: Convert to fraction form
    656,374.52/984,561.68 = 157,738.52/x
  3. Step 3: Cross multiply
    656,374.52x = 984,561.68 × 157,738.52
  4. Step 4: Simplify right side
    656,374.52x = 155,303,302,251.91
  5. Step 5: Solve for x
    x = 155,303,302,251.91/656,374.52
  6. Step 6: Final answer
    x = 236,607.76

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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.