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Finding the Fourth Proportional to 676, 932.88 and 365.50

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Solution

The fourth proportional to 676, 932.88 and 365.50 is: 504.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    676 : 932.88 = 365.50 : x
  2. Step 2: Convert to fraction form
    676/932.88 = 365.50/x
  3. Step 3: Cross multiply
    676x = 932.88 × 365.50
  4. Step 4: Simplify right side
    676x = 340,967.64
  5. Step 5: Solve for x
    x = 340,967.64/676
  6. Step 6: Final answer
    x = 504.39

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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.