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Finding the Fourth Proportional to 362.16, 541.62 and 269.82

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Solution

The fourth proportional to 362.16, 541.62 and 269.82 is: 403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.16 : 541.62 = 269.82 : x
  2. Step 2: Convert to fraction form
    362.16/541.62 = 269.82/x
  3. Step 3: Cross multiply
    362.16x = 541.62 × 269.82
  4. Step 4: Simplify right side
    362.16x = 146,139.91
  5. Step 5: Solve for x
    x = 146,139.91/362.16
  6. Step 6: Final answer
    x = 403.52

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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.