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Finding the Fourth Proportional to 534.92, 737.56 and 338.12

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Solution

The fourth proportional to 534.92, 737.56 and 338.12 is: 466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.92 : 737.56 = 338.12 : x
  2. Step 2: Convert to fraction form
    534.92/737.56 = 338.12/x
  3. Step 3: Cross multiply
    534.92x = 737.56 × 338.12
  4. Step 4: Simplify right side
    534.92x = 249,383.79
  5. Step 5: Solve for x
    x = 249,383.79/534.92
  6. Step 6: Final answer
    x = 466.21

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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.