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Finding the Fourth Proportional to 546,767.52, 820,056.72 and 247,178.43

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Solution

The fourth proportional to 546,767.52, 820,056.72 and 247,178.43 is: 370,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,767.52 : 820,056.72 = 247,178.43 : x
  2. Step 2: Convert to fraction form
    546,767.52/820,056.72 = 247,178.43/x
  3. Step 3: Cross multiply
    546,767.52x = 820,056.72 × 247,178.43
  4. Step 4: Simplify right side
    546,767.52x = 202,700,332,560.55
  5. Step 5: Solve for x
    x = 202,700,332,560.55/546,767.52
  6. Step 6: Final answer
    x = 370,724.90

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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.