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Finding the Fourth Proportional to 650,781.76, 897,615.86 and 597,239.68

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Solution

The fourth proportional to 650,781.76, 897,615.86 and 597,239.68 is: 823,765.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,781.76 : 897,615.86 = 597,239.68 : x
  2. Step 2: Convert to fraction form
    650,781.76/897,615.86 = 597,239.68/x
  3. Step 3: Cross multiply
    650,781.76x = 897,615.86 × 597,239.68
  4. Step 4: Simplify right side
    650,781.76x = 536,091,808,989.33
  5. Step 5: Solve for x
    x = 536,091,808,989.33/650,781.76
  6. Step 6: Final answer
    x = 823,765.88

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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.