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Finding the Fourth Proportional to 360.46, 541.50 and 292.42

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Solution

The fourth proportional to 360.46, 541.50 and 292.42 is: 439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.46 : 541.50 = 292.42 : x
  2. Step 2: Convert to fraction form
    360.46/541.50 = 292.42/x
  3. Step 3: Cross multiply
    360.46x = 541.50 × 292.42
  4. Step 4: Simplify right side
    360.46x = 158,345.43
  5. Step 5: Solve for x
    x = 158,345.43/360.46
  6. Step 6: Final answer
    x = 439.29

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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.