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Finding the Fourth Proportional to 681,536.68, 940,527 and 375,624.28

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Solution

The fourth proportional to 681,536.68, 940,527 and 375,624.28 is: 518,365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,536.68 : 940,527 = 375,624.28 : x
  2. Step 2: Convert to fraction form
    681,536.68/940,527 = 375,624.28/x
  3. Step 3: Cross multiply
    681,536.68x = 940,527 × 375,624.28
  4. Step 4: Simplify right side
    681,536.68x = 353,284,777,195.56
  5. Step 5: Solve for x
    x = 353,284,777,195.56/681,536.68
  6. Step 6: Final answer
    x = 518,365.02

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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.