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Finding the Fourth Proportional to 362.32, 499.38 and 261.46

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Solution

The fourth proportional to 362.32, 499.38 and 261.46 is: 360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.32 : 499.38 = 261.46 : x
  2. Step 2: Convert to fraction form
    362.32/499.38 = 261.46/x
  3. Step 3: Cross multiply
    362.32x = 499.38 × 261.46
  4. Step 4: Simplify right side
    362.32x = 130,567.89
  5. Step 5: Solve for x
    x = 130,567.89/362.32
  6. Step 6: Final answer
    x = 360.37

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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.