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Finding the Fourth Proportional to 694.44, 956.00 and 654.35

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Solution

The fourth proportional to 694.44, 956.00 and 654.35 is: 900.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.44 : 956.00 = 654.35 : x
  2. Step 2: Convert to fraction form
    694.44/956.00 = 654.35/x
  3. Step 3: Cross multiply
    694.44x = 956.00 × 654.35
  4. Step 4: Simplify right side
    694.44x = 625,555.46
  5. Step 5: Solve for x
    x = 625,555.46/694.44
  6. Step 6: Final answer
    x = 900.81

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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.