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Finding the Fourth Proportional to 458.93, 633.49 and 293.29

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Solution

The fourth proportional to 458.93, 633.49 and 293.29 is: 404.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.93 : 633.49 = 293.29 : x
  2. Step 2: Convert to fraction form
    458.93/633.49 = 293.29/x
  3. Step 3: Cross multiply
    458.93x = 633.49 × 293.29
  4. Step 4: Simplify right side
    458.93x = 185,793.97
  5. Step 5: Solve for x
    x = 185,793.97/458.93
  6. Step 6: Final answer
    x = 404.84

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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.