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Finding the Fourth Proportional to 615.38, 849.02 and 366.75

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Solution

The fourth proportional to 615.38, 849.02 and 366.75 is: 505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.38 : 849.02 = 366.75 : x
  2. Step 2: Convert to fraction form
    615.38/849.02 = 366.75/x
  3. Step 3: Cross multiply
    615.38x = 849.02 × 366.75
  4. Step 4: Simplify right side
    615.38x = 311,376.25
  5. Step 5: Solve for x
    x = 311,376.25/615.38
  6. Step 6: Final answer
    x = 505.99

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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.