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Finding the Fourth Proportional to 542.06, 748.11 and 332.27

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Solution

The fourth proportional to 542.06, 748.11 and 332.27 is: 458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    542.06 : 748.11 = 332.27 : x
  2. Step 2: Convert to fraction form
    542.06/748.11 = 332.27/x
  3. Step 3: Cross multiply
    542.06x = 748.11 × 332.27
  4. Step 4: Simplify right side
    542.06x = 248,574.51
  5. Step 5: Solve for x
    x = 248,574.51/542.06
  6. Step 6: Final answer
    x = 458.57

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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.