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Finding the Fourth Proportional to 376,499.88, 564,819.48 and 123,794.28

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Solution

The fourth proportional to 376,499.88, 564,819.48 and 123,794.28 is: 185,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,499.88 : 564,819.48 = 123,794.28 : x
  2. Step 2: Convert to fraction form
    376,499.88/564,819.48 = 123,794.28/x
  3. Step 3: Cross multiply
    376,499.88x = 564,819.48 × 123,794.28
  4. Step 4: Simplify right side
    376,499.88x = 69,921,420,856.57
  5. Step 5: Solve for x
    x = 69,921,420,856.57/376,499.88
  6. Step 6: Final answer
    x = 185,714.32

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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.