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Finding the Fourth Proportional to 694.24, 958.22 and 473.28

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Solution

The fourth proportional to 694.24, 958.22 and 473.28 is: 653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.24 : 958.22 = 473.28 : x
  2. Step 2: Convert to fraction form
    694.24/958.22 = 473.28/x
  3. Step 3: Cross multiply
    694.24x = 958.22 × 473.28
  4. Step 4: Simplify right side
    694.24x = 453,506.36
  5. Step 5: Solve for x
    x = 453,506.36/694.24
  6. Step 6: Final answer
    x = 653.24

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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.