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Finding the Fourth Proportional to 376,423.77, 564,137.28 and 276,114.30

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Solution

The fourth proportional to 376,423.77, 564,137.28 and 276,114.30 is: 413,805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,423.77 : 564,137.28 = 276,114.30 : x
  2. Step 2: Convert to fraction form
    376,423.77/564,137.28 = 276,114.30/x
  3. Step 3: Cross multiply
    376,423.77x = 564,137.28 × 276,114.30
  4. Step 4: Simplify right side
    376,423.77x = 155,766,370,171.10
  5. Step 5: Solve for x
    x = 155,766,370,171.10/376,423.77
  6. Step 6: Final answer
    x = 413,805.88

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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.