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Finding the Fourth Proportional to 475.32, 655.08 and 335.24

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Solution

The fourth proportional to 475.32, 655.08 and 335.24 is: 462.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.32 : 655.08 = 335.24 : x
  2. Step 2: Convert to fraction form
    475.32/655.08 = 335.24/x
  3. Step 3: Cross multiply
    475.32x = 655.08 × 335.24
  4. Step 4: Simplify right side
    475.32x = 219,609.02
  5. Step 5: Solve for x
    x = 219,609.02/475.32
  6. Step 6: Final answer
    x = 462.02

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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.