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Finding the Fourth Proportional to 362.27, 499.64 and 292.31

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Solution

The fourth proportional to 362.27, 499.64 and 292.31 is: 403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.27 : 499.64 = 292.31 : x
  2. Step 2: Convert to fraction form
    362.27/499.64 = 292.31/x
  3. Step 3: Cross multiply
    362.27x = 499.64 × 292.31
  4. Step 4: Simplify right side
    362.27x = 146,045.81
  5. Step 5: Solve for x
    x = 146,045.81/362.27
  6. Step 6: Final answer
    x = 403.15

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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.