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Finding the Fourth Proportional to 362.15, 499.20 and 296.04

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Solution

The fourth proportional to 362.15, 499.20 and 296.04 is: 408.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.15 : 499.20 = 296.04 : x
  2. Step 2: Convert to fraction form
    362.15/499.20 = 296.04/x
  3. Step 3: Cross multiply
    362.15x = 499.20 × 296.04
  4. Step 4: Simplify right side
    362.15x = 147,783.17
  5. Step 5: Solve for x
    x = 147,783.17/362.15
  6. Step 6: Final answer
    x = 408.07

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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.