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Finding the Fourth Proportional to 458.83, 632.92 and 292.86

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Solution

The fourth proportional to 458.83, 632.92 and 292.86 is: 403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.83 : 632.92 = 292.86 : x
  2. Step 2: Convert to fraction form
    458.83/632.92 = 292.86/x
  3. Step 3: Cross multiply
    458.83x = 632.92 × 292.86
  4. Step 4: Simplify right side
    458.83x = 185,355.29
  5. Step 5: Solve for x
    x = 185,355.29/458.83
  6. Step 6: Final answer
    x = 403.97

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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.