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Finding the Fourth Proportional to 376,444.32, 564,168.04 and 276,134.88

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Solution

The fourth proportional to 376,444.32, 564,168.04 and 276,134.88 is: 413,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,444.32 : 564,168.04 = 276,134.88 : x
  2. Step 2: Convert to fraction form
    376,444.32/564,168.04 = 276,134.88/x
  3. Step 3: Cross multiply
    376,444.32x = 564,168.04 × 276,134.88
  4. Step 4: Simplify right side
    376,444.32x = 155,786,474,025.24
  5. Step 5: Solve for x
    x = 155,786,474,025.24/376,444.32
  6. Step 6: Final answer
    x = 413,836.70

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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.