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Finding the Fourth Proportional to 365.92, 547.92 and 292.46

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Solution

The fourth proportional to 365.92, 547.92 and 292.46 is: 437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.92 : 547.92 = 292.46 : x
  2. Step 2: Convert to fraction form
    365.92/547.92 = 292.46/x
  3. Step 3: Cross multiply
    365.92x = 547.92 × 292.46
  4. Step 4: Simplify right side
    365.92x = 160,241.94
  5. Step 5: Solve for x
    x = 160,241.94/365.92
  6. Step 6: Final answer
    x = 437.92

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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.