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Finding the Fourth Proportional to 2,203.44, 3,305.27 and 560

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Solution

The fourth proportional to 2,203.44, 3,305.27 and 560 is: 840.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.44 : 3,305.27 = 560 : x
  2. Step 2: Convert to fraction form
    2,203.44/3,305.27 = 560/x
  3. Step 3: Cross multiply
    2,203.44x = 3,305.27 × 560
  4. Step 4: Simplify right side
    2,203.44x = 1,850,951.20
  5. Step 5: Solve for x
    x = 1,850,951.20/2,203.44
  6. Step 6: Final answer
    x = 840.03

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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.