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Finding the Fourth Proportional to 532.97, 799.46 and 148.22

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Solution

The fourth proportional to 532.97, 799.46 and 148.22 is: 222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.97 : 799.46 = 148.22 : x
  2. Step 2: Convert to fraction form
    532.97/799.46 = 148.22/x
  3. Step 3: Cross multiply
    532.97x = 799.46 × 148.22
  4. Step 4: Simplify right side
    532.97x = 118,494.78
  5. Step 5: Solve for x
    x = 118,494.78/532.97
  6. Step 6: Final answer
    x = 222.33

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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.