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Finding the Fourth Proportional to 292.73, 439.10 and 225.08

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Solution

The fourth proportional to 292.73, 439.10 and 225.08 is: 337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.73 : 439.10 = 225.08 : x
  2. Step 2: Convert to fraction form
    292.73/439.10 = 225.08/x
  3. Step 3: Cross multiply
    292.73x = 439.10 × 225.08
  4. Step 4: Simplify right side
    292.73x = 98,833.06
  5. Step 5: Solve for x
    x = 98,833.06/292.73
  6. Step 6: Final answer
    x = 337.62

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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.