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Finding the Fourth Proportional to 632.56, 948.60 and 372.63

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Solution

The fourth proportional to 632.56, 948.60 and 372.63 is: 558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.56 : 948.60 = 372.63 : x
  2. Step 2: Convert to fraction form
    632.56/948.60 = 372.63/x
  3. Step 3: Cross multiply
    632.56x = 948.60 × 372.63
  4. Step 4: Simplify right side
    632.56x = 353,476.82
  5. Step 5: Solve for x
    x = 353,476.82/632.56
  6. Step 6: Final answer
    x = 558.80

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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.