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Finding the Fourth Proportional to 482,134.68, 723,337.40 and 178,524.28

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Solution

The fourth proportional to 482,134.68, 723,337.40 and 178,524.28 is: 267,836.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,134.68 : 723,337.40 = 178,524.28 : x
  2. Step 2: Convert to fraction form
    482,134.68/723,337.40 = 178,524.28/x
  3. Step 3: Cross multiply
    482,134.68x = 723,337.40 × 178,524.28
  4. Step 4: Simplify right side
    482,134.68x = 129,133,288,532.07
  5. Step 5: Solve for x
    x = 129,133,288,532.07/482,134.68
  6. Step 6: Final answer
    x = 267,836.55

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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.