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Finding the Fourth Proportional to 362.66, 500.48 and 207.42

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Solution

The fourth proportional to 362.66, 500.48 and 207.42 is: 286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.66 : 500.48 = 207.42 : x
  2. Step 2: Convert to fraction form
    362.66/500.48 = 207.42/x
  3. Step 3: Cross multiply
    362.66x = 500.48 × 207.42
  4. Step 4: Simplify right side
    362.66x = 103,809.56
  5. Step 5: Solve for x
    x = 103,809.56/362.66
  6. Step 6: Final answer
    x = 286.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.