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Finding the Fourth Proportional to 376,507.28, 564,761.12 and 236,364.32

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Solution

The fourth proportional to 376,507.28, 564,761.12 and 236,364.32 is: 354,546.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,507.28 : 564,761.12 = 236,364.32 : x
  2. Step 2: Convert to fraction form
    376,507.28/564,761.12 = 236,364.32/x
  3. Step 3: Cross multiply
    376,507.28x = 564,761.12 × 236,364.32
  4. Step 4: Simplify right side
    376,507.28x = 133,489,378,091.24
  5. Step 5: Solve for x
    x = 133,489,378,091.24/376,507.28
  6. Step 6: Final answer
    x = 354,546.61

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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.