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Finding the Fourth Proportional to 681,514.53, 940,496.46 and 375,601.92

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Solution

The fourth proportional to 681,514.53, 940,496.46 and 375,601.92 is: 518,334.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,514.53 : 940,496.46 = 375,601.92 : x
  2. Step 2: Convert to fraction form
    681,514.53/940,496.46 = 375,601.92/x
  3. Step 3: Cross multiply
    681,514.53x = 940,496.46 × 375,601.92
  4. Step 4: Simplify right side
    681,514.53x = 353,252,276,129.20
  5. Step 5: Solve for x
    x = 353,252,276,129.20/681,514.53
  6. Step 6: Final answer
    x = 518,334.18

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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.