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Finding the Fourth Proportional to 844.62, 1,165.48 and 471.48

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Solution

The fourth proportional to 844.62, 1,165.48 and 471.48 is: 650.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.62 : 1,165.48 = 471.48 : x
  2. Step 2: Convert to fraction form
    844.62/1,165.48 = 471.48/x
  3. Step 3: Cross multiply
    844.62x = 1,165.48 × 471.48
  4. Step 4: Simplify right side
    844.62x = 549,500.51
  5. Step 5: Solve for x
    x = 549,500.51/844.62
  6. Step 6: Final answer
    x = 650.59

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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.