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Finding the Fourth Proportional to 292.16, 437.72 and 249.33

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Solution

The fourth proportional to 292.16, 437.72 and 249.33 is: 373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.16 : 437.72 = 249.33 : x
  2. Step 2: Convert to fraction form
    292.16/437.72 = 249.33/x
  3. Step 3: Cross multiply
    292.16x = 437.72 × 249.33
  4. Step 4: Simplify right side
    292.16x = 109,136.73
  5. Step 5: Solve for x
    x = 109,136.73/292.16
  6. Step 6: Final answer
    x = 373.55

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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.