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Finding the Fourth Proportional to 282.29, 423.33 and 160.58

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Solution

The fourth proportional to 282.29, 423.33 and 160.58 is: 240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.29 : 423.33 = 160.58 : x
  2. Step 2: Convert to fraction form
    282.29/423.33 = 160.58/x
  3. Step 3: Cross multiply
    282.29x = 423.33 × 160.58
  4. Step 4: Simplify right side
    282.29x = 67,978.79
  5. Step 5: Solve for x
    x = 67,978.79/282.29
  6. Step 6: Final answer
    x = 240.82

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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.