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Finding the Fourth Proportional to 343.22, 474.11 and 332.28

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Solution

The fourth proportional to 343.22, 474.11 and 332.28 is: 459.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.22 : 474.11 = 332.28 : x
  2. Step 2: Convert to fraction form
    343.22/474.11 = 332.28/x
  3. Step 3: Cross multiply
    343.22x = 474.11 × 332.28
  4. Step 4: Simplify right side
    343.22x = 157,535.61
  5. Step 5: Solve for x
    x = 157,535.61/343.22
  6. Step 6: Final answer
    x = 459.00

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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.