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Finding the Fourth Proportional to 532.18, 797.99 and 166.87

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Solution

The fourth proportional to 532.18, 797.99 and 166.87 is: 250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.18 : 797.99 = 166.87 : x
  2. Step 2: Convert to fraction form
    532.18/797.99 = 166.87/x
  3. Step 3: Cross multiply
    532.18x = 797.99 × 166.87
  4. Step 4: Simplify right side
    532.18x = 133,157.76
  5. Step 5: Solve for x
    x = 133,157.76/532.18
  6. Step 6: Final answer
    x = 250.21

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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.