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Finding the Fourth Proportional to 1,334.14, 2,000.92 and 360

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Solution

The fourth proportional to 1,334.14, 2,000.92 and 360 is: 539.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.14 : 2,000.92 = 360 : x
  2. Step 2: Convert to fraction form
    1,334.14/2,000.92 = 360/x
  3. Step 3: Cross multiply
    1,334.14x = 2,000.92 × 360
  4. Step 4: Simplify right side
    1,334.14x = 720,331.20
  5. Step 5: Solve for x
    x = 720,331.20/1,334.14
  6. Step 6: Final answer
    x = 539.92

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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.