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Finding the Fourth Proportional to 534, 801.24 and 371.96

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Solution

The fourth proportional to 534, 801.24 and 371.96 is: 558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    534 : 801.24 = 371.96 : x
  2. Step 2: Convert to fraction form
    534/801.24 = 371.96/x
  3. Step 3: Cross multiply
    534x = 801.24 × 371.96
  4. Step 4: Simplify right side
    534x = 298,029.23
  5. Step 5: Solve for x
    x = 298,029.23/534
  6. Step 6: Final answer
    x = 558.11

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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.