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Finding the Fourth Proportional to 482,634.66, 723,505.10 and 178,859.70

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Solution

The fourth proportional to 482,634.66, 723,505.10 and 178,859.70 is: 268,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,634.66 : 723,505.10 = 178,859.70 : x
  2. Step 2: Convert to fraction form
    482,634.66/723,505.10 = 178,859.70/x
  3. Step 3: Cross multiply
    482,634.66x = 723,505.10 × 178,859.70
  4. Step 4: Simplify right side
    482,634.66x = 129,405,905,134.47
  5. Step 5: Solve for x
    x = 129,405,905,134.47/482,634.66
  6. Step 6: Final answer
    x = 268,123.94

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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.