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Finding the Fourth Proportional to 362.33, 539.76 and 339.92

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Solution

The fourth proportional to 362.33, 539.76 and 339.92 is: 506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.33 : 539.76 = 339.92 : x
  2. Step 2: Convert to fraction form
    362.33/539.76 = 339.92/x
  3. Step 3: Cross multiply
    362.33x = 539.76 × 339.92
  4. Step 4: Simplify right side
    362.33x = 183,476.57
  5. Step 5: Solve for x
    x = 183,476.57/362.33
  6. Step 6: Final answer
    x = 506.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.