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Finding the Fourth Proportional to 473.53, 652.82 and 316.17

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Solution

The fourth proportional to 473.53, 652.82 and 316.17 is: 435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.53 : 652.82 = 316.17 : x
  2. Step 2: Convert to fraction form
    473.53/652.82 = 316.17/x
  3. Step 3: Cross multiply
    473.53x = 652.82 × 316.17
  4. Step 4: Simplify right side
    473.53x = 206,402.10
  5. Step 5: Solve for x
    x = 206,402.10/473.53
  6. Step 6: Final answer
    x = 435.88

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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.