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Finding the Fourth Proportional to 744.57, 1,026.41 and 567.59

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Solution

The fourth proportional to 744.57, 1,026.41 and 567.59 is: 782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    744.57 : 1,026.41 = 567.59 : x
  2. Step 2: Convert to fraction form
    744.57/1,026.41 = 567.59/x
  3. Step 3: Cross multiply
    744.57x = 1,026.41 × 567.59
  4. Step 4: Simplify right side
    744.57x = 582,572.08
  5. Step 5: Solve for x
    x = 582,572.08/744.57
  6. Step 6: Final answer
    x = 782.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.