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Finding the Fourth Proportional to 494.72, 741.54 and 332

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Solution

The fourth proportional to 494.72, 741.54 and 332 is: 497.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.72 : 741.54 = 332 : x
  2. Step 2: Convert to fraction form
    494.72/741.54 = 332/x
  3. Step 3: Cross multiply
    494.72x = 741.54 × 332
  4. Step 4: Simplify right side
    494.72x = 246,191.28
  5. Step 5: Solve for x
    x = 246,191.28/494.72
  6. Step 6: Final answer
    x = 497.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.