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Finding the Fourth Proportional to 474,247.56, 654,460.92 and 283,372.68

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Solution

The fourth proportional to 474,247.56, 654,460.92 and 283,372.68 is: 391,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,247.56 : 654,460.92 = 283,372.68 : x
  2. Step 2: Convert to fraction form
    474,247.56/654,460.92 = 283,372.68/x
  3. Step 3: Cross multiply
    474,247.56x = 654,460.92 × 283,372.68
  4. Step 4: Simplify right side
    474,247.56x = 185,456,344,855.67
  5. Step 5: Solve for x
    x = 185,456,344,855.67/474,247.56
  6. Step 6: Final answer
    x = 391,053.87

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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.