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Finding the Fourth Proportional to 867.44, 1,197.03 and 474.46

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Solution

The fourth proportional to 867.44, 1,197.03 and 474.46 is: 654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    867.44 : 1,197.03 = 474.46 : x
  2. Step 2: Convert to fraction form
    867.44/1,197.03 = 474.46/x
  3. Step 3: Cross multiply
    867.44x = 1,197.03 × 474.46
  4. Step 4: Simplify right side
    867.44x = 567,939.86
  5. Step 5: Solve for x
    x = 567,939.86/867.44
  6. Step 6: Final answer
    x = 654.73

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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.