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Finding the Fourth Proportional to 292.48, 438.16 and 200.96

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Solution

The fourth proportional to 292.48, 438.16 and 200.96 is: 301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.48 : 438.16 = 200.96 : x
  2. Step 2: Convert to fraction form
    292.48/438.16 = 200.96/x
  3. Step 3: Cross multiply
    292.48x = 438.16 × 200.96
  4. Step 4: Simplify right side
    292.48x = 88,052.63
  5. Step 5: Solve for x
    x = 88,052.63/292.48
  6. Step 6: Final answer
    x = 301.06

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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.