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Finding the Fourth Proportional to 576,052.32, 863,974.56 and 155,229.92

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Solution

The fourth proportional to 576,052.32, 863,974.56 and 155,229.92 is: 232,816.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,052.32 : 863,974.56 = 155,229.92 : x
  2. Step 2: Convert to fraction form
    576,052.32/863,974.56 = 155,229.92/x
  3. Step 3: Cross multiply
    576,052.32x = 863,974.56 × 155,229.92
  4. Step 4: Simplify right side
    576,052.32x = 134,114,701,830.84
  5. Step 5: Solve for x
    x = 134,114,701,830.84/576,052.32
  6. Step 6: Final answer
    x = 232,816.88

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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.