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Finding the Fourth Proportional to 1,334.52, 2,002.04 and 565

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Solution

The fourth proportional to 1,334.52, 2,002.04 and 565 is: 847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.52 : 2,002.04 = 565 : x
  2. Step 2: Convert to fraction form
    1,334.52/2,002.04 = 565/x
  3. Step 3: Cross multiply
    1,334.52x = 2,002.04 × 565
  4. Step 4: Simplify right side
    1,334.52x = 1,131,152.60
  5. Step 5: Solve for x
    x = 1,131,152.60/1,334.52
  6. Step 6: Final answer
    x = 847.61

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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.