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Finding the Fourth Proportional to 681,832.44, 940,886.10 and 375,892.92

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Solution

The fourth proportional to 681,832.44, 940,886.10 and 375,892.92 is: 518,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,832.44 : 940,886.10 = 375,892.92 : x
  2. Step 2: Convert to fraction form
    681,832.44/940,886.10 = 375,892.92/x
  3. Step 3: Cross multiply
    681,832.44x = 940,886.10 × 375,892.92
  4. Step 4: Simplify right side
    681,832.44x = 353,672,423,516.41
  5. Step 5: Solve for x
    x = 353,672,423,516.41/681,832.44
  6. Step 6: Final answer
    x = 518,708.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.