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Finding the Fourth Proportional to 473.32, 653.22 and 263.52

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Solution

The fourth proportional to 473.32, 653.22 and 263.52 is: 363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.32 : 653.22 = 263.52 : x
  2. Step 2: Convert to fraction form
    473.32/653.22 = 263.52/x
  3. Step 3: Cross multiply
    473.32x = 653.22 × 263.52
  4. Step 4: Simplify right side
    473.32x = 172,136.53
  5. Step 5: Solve for x
    x = 172,136.53/473.32
  6. Step 6: Final answer
    x = 363.68

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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.