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Finding the Fourth Proportional to 292.19, 438.44 and 160.52

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Solution

The fourth proportional to 292.19, 438.44 and 160.52 is: 240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.19 : 438.44 = 160.52 : x
  2. Step 2: Convert to fraction form
    292.19/438.44 = 160.52/x
  3. Step 3: Cross multiply
    292.19x = 438.44 × 160.52
  4. Step 4: Simplify right side
    292.19x = 70,375.39
  5. Step 5: Solve for x
    x = 70,375.39/292.19
  6. Step 6: Final answer
    x = 240.86

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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.