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Finding the Fourth Proportional to 632.16, 871.92 and 544.68

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Solution

The fourth proportional to 632.16, 871.92 and 544.68 is: 751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.16 : 871.92 = 544.68 : x
  2. Step 2: Convert to fraction form
    632.16/871.92 = 544.68/x
  3. Step 3: Cross multiply
    632.16x = 871.92 × 544.68
  4. Step 4: Simplify right side
    632.16x = 474,917.39
  5. Step 5: Solve for x
    x = 474,917.39/632.16
  6. Step 6: Final answer
    x = 751.26

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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.