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Finding the Fourth Proportional to 574.44, 792 and 469.41

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Solution

The fourth proportional to 574.44, 792 and 469.41 is: 647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.44 : 792 = 469.41 : x
  2. Step 2: Convert to fraction form
    574.44/792 = 469.41/x
  3. Step 3: Cross multiply
    574.44x = 792 × 469.41
  4. Step 4: Simplify right side
    574.44x = 371,772.72
  5. Step 5: Solve for x
    x = 371,772.72/574.44
  6. Step 6: Final answer
    x = 647.19

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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.