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Finding the Fourth Proportional to 458.72, 632.67 and 293.04

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Solution

The fourth proportional to 458.72, 632.67 and 293.04 is: 404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.72 : 632.67 = 293.04 : x
  2. Step 2: Convert to fraction form
    458.72/632.67 = 293.04/x
  3. Step 3: Cross multiply
    458.72x = 632.67 × 293.04
  4. Step 4: Simplify right side
    458.72x = 185,397.62
  5. Step 5: Solve for x
    x = 185,397.62/458.72
  6. Step 6: Final answer
    x = 404.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.