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Finding the Fourth Proportional to 283,335.48, 424,867.68 and 165,040.56

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Solution

The fourth proportional to 283,335.48, 424,867.68 and 165,040.56 is: 247,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,335.48 : 424,867.68 = 165,040.56 : x
  2. Step 2: Convert to fraction form
    283,335.48/424,867.68 = 165,040.56/x
  3. Step 3: Cross multiply
    283,335.48x = 424,867.68 × 165,040.56
  4. Step 4: Simplify right side
    283,335.48x = 70,120,399,833.10
  5. Step 5: Solve for x
    x = 70,120,399,833.10/283,335.48
  6. Step 6: Final answer
    x = 247,481.89

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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.