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Finding the Fourth Proportional to 376,429.60, 564,524.64 and 123,651.44

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Solution

The fourth proportional to 376,429.60, 564,524.64 and 123,651.44 is: 185,437.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,429.60 : 564,524.64 = 123,651.44 : x
  2. Step 2: Convert to fraction form
    376,429.60/564,524.64 = 123,651.44/x
  3. Step 3: Cross multiply
    376,429.60x = 564,524.64 × 123,651.44
  4. Step 4: Simplify right side
    376,429.60x = 69,804,283,549.30
  5. Step 5: Solve for x
    x = 69,804,283,549.30/376,429.60
  6. Step 6: Final answer
    x = 185,437.82

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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.