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Finding the Fourth Proportional to 376,580.72, 564,843.74 and 123,858.29

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Solution

The fourth proportional to 376,580.72, 564,843.74 and 123,858.29 is: 185,778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,580.72 : 564,843.74 = 123,858.29 : x
  2. Step 2: Convert to fraction form
    376,580.72/564,843.74 = 123,858.29/x
  3. Step 3: Cross multiply
    376,580.72x = 564,843.74 × 123,858.29
  4. Step 4: Simplify right side
    376,580.72x = 69,960,580,546.42
  5. Step 5: Solve for x
    x = 69,960,580,546.42/376,580.72
  6. Step 6: Final answer
    x = 185,778.44

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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.