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Finding the Fourth Proportional to 632.86, 873 and 534.46

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Solution

The fourth proportional to 632.86, 873 and 534.46 is: 737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.86 : 873 = 534.46 : x
  2. Step 2: Convert to fraction form
    632.86/873 = 534.46/x
  3. Step 3: Cross multiply
    632.86x = 873 × 534.46
  4. Step 4: Simplify right side
    632.86x = 466,583.58
  5. Step 5: Solve for x
    x = 466,583.58/632.86
  6. Step 6: Final answer
    x = 737.26

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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.