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Finding the Fourth Proportional to 542, 748 and 335.04

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Solution

The fourth proportional to 542, 748 and 335.04 is: 462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    542 : 748 = 335.04 : x
  2. Step 2: Convert to fraction form
    542/748 = 335.04/x
  3. Step 3: Cross multiply
    542x = 748 × 335.04
  4. Step 4: Simplify right side
    542x = 250,609.92
  5. Step 5: Solve for x
    x = 250,609.92/542
  6. Step 6: Final answer
    x = 462.38

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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.