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Finding the Fourth Proportional to 458.41, 632.49 and 292.50

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Solution

The fourth proportional to 458.41, 632.49 and 292.50 is: 403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.41 : 632.49 = 292.50 : x
  2. Step 2: Convert to fraction form
    458.41/632.49 = 292.50/x
  3. Step 3: Cross multiply
    458.41x = 632.49 × 292.50
  4. Step 4: Simplify right side
    458.41x = 185,003.33
  5. Step 5: Solve for x
    x = 185,003.33/458.41
  6. Step 6: Final answer
    x = 403.58

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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.