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Finding the Fourth Proportional to 1,542.44, 2,313.60 and 568.48

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Solution

The fourth proportional to 1,542.44, 2,313.60 and 568.48 is: 852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542.44 : 2,313.60 = 568.48 : x
  2. Step 2: Convert to fraction form
    1,542.44/2,313.60 = 568.48/x
  3. Step 3: Cross multiply
    1,542.44x = 2,313.60 × 568.48
  4. Step 4: Simplify right side
    1,542.44x = 1,315,235.33
  5. Step 5: Solve for x
    x = 1,315,235.33/1,542.44
  6. Step 6: Final answer
    x = 852.70

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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.