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Finding the Fourth Proportional to 376,544.64, 564,697.32 and 123,766.80

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Solution

The fourth proportional to 376,544.64, 564,697.32 and 123,766.80 is: 185,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,544.64 : 564,697.32 = 123,766.80 : x
  2. Step 2: Convert to fraction form
    376,544.64/564,697.32 = 123,766.80/x
  3. Step 3: Cross multiply
    376,544.64x = 564,697.32 × 123,766.80
  4. Step 4: Simplify right side
    376,544.64x = 69,890,780,264.98
  5. Step 5: Solve for x
    x = 69,890,780,264.98/376,544.64
  6. Step 6: Final answer
    x = 185,610.88

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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.