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Finding the Fourth Proportional to 362.39, 500.48 and 293.20

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Solution

The fourth proportional to 362.39, 500.48 and 293.20 is: 404.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.39 : 500.48 = 293.20 : x
  2. Step 2: Convert to fraction form
    362.39/500.48 = 293.20/x
  3. Step 3: Cross multiply
    362.39x = 500.48 × 293.20
  4. Step 4: Simplify right side
    362.39x = 146,739.12
  5. Step 5: Solve for x
    x = 146,739.12/362.39
  6. Step 6: Final answer
    x = 404.93

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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.