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Finding the Fourth Proportional to 1,563.13, 2,344.61 and 523.24

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Solution

The fourth proportional to 1,563.13, 2,344.61 and 523.24 is: 784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.13 : 2,344.61 = 523.24 : x
  2. Step 2: Convert to fraction form
    1,563.13/2,344.61 = 523.24/x
  3. Step 3: Cross multiply
    1,563.13x = 2,344.61 × 523.24
  4. Step 4: Simplify right side
    1,563.13x = 1,226,793.74
  5. Step 5: Solve for x
    x = 1,226,793.74/1,563.13
  6. Step 6: Final answer
    x = 784.83

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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.