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Finding the Fourth Proportional to 1,367.24, 2,050.88 and 341.24

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Solution

The fourth proportional to 1,367.24, 2,050.88 and 341.24 is: 511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.24 : 2,050.88 = 341.24 : x
  2. Step 2: Convert to fraction form
    1,367.24/2,050.88 = 341.24/x
  3. Step 3: Cross multiply
    1,367.24x = 2,050.88 × 341.24
  4. Step 4: Simplify right side
    1,367.24x = 699,842.29
  5. Step 5: Solve for x
    x = 699,842.29/1,367.24
  6. Step 6: Final answer
    x = 511.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.