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Finding the Fourth Proportional to 292.12, 438.18 and 244.36

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Solution

The fourth proportional to 292.12, 438.18 and 244.36 is: 366.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.12 : 438.18 = 244.36 : x
  2. Step 2: Convert to fraction form
    292.12/438.18 = 244.36/x
  3. Step 3: Cross multiply
    292.12x = 438.18 × 244.36
  4. Step 4: Simplify right side
    292.12x = 107,073.66
  5. Step 5: Solve for x
    x = 107,073.66/292.12
  6. Step 6: Final answer
    x = 366.54

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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.