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Finding the Fourth Proportional to 473.96, 652.42 and 411.42

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Solution

The fourth proportional to 473.96, 652.42 and 411.42 is: 566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.96 : 652.42 = 411.42 : x
  2. Step 2: Convert to fraction form
    473.96/652.42 = 411.42/x
  3. Step 3: Cross multiply
    473.96x = 652.42 × 411.42
  4. Step 4: Simplify right side
    473.96x = 268,418.64
  5. Step 5: Solve for x
    x = 268,418.64/473.96
  6. Step 6: Final answer
    x = 566.33

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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.