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Finding the Fourth Proportional to 534, 736.92 and 301.12

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Solution

The fourth proportional to 534, 736.92 and 301.12 is: 415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    534 : 736.92 = 301.12 : x
  2. Step 2: Convert to fraction form
    534/736.92 = 301.12/x
  3. Step 3: Cross multiply
    534x = 736.92 × 301.12
  4. Step 4: Simplify right side
    534x = 221,901.35
  5. Step 5: Solve for x
    x = 221,901.35/534
  6. Step 6: Final answer
    x = 415.55

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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.