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Finding the Fourth Proportional to 473.56, 652.62 and 356.92

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Solution

The fourth proportional to 473.56, 652.62 and 356.92 is: 491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.56 : 652.62 = 356.92 : x
  2. Step 2: Convert to fraction form
    473.56/652.62 = 356.92/x
  3. Step 3: Cross multiply
    473.56x = 652.62 × 356.92
  4. Step 4: Simplify right side
    473.56x = 232,933.13
  5. Step 5: Solve for x
    x = 232,933.13/473.56
  6. Step 6: Final answer
    x = 491.88

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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.