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Finding the Fourth Proportional to 894.01, 1,233.95 and 704.84

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Solution

The fourth proportional to 894.01, 1,233.95 and 704.84 is: 972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.01 : 1,233.95 = 704.84 : x
  2. Step 2: Convert to fraction form
    894.01/1,233.95 = 704.84/x
  3. Step 3: Cross multiply
    894.01x = 1,233.95 × 704.84
  4. Step 4: Simplify right side
    894.01x = 869,732.25
  5. Step 5: Solve for x
    x = 869,732.25/894.01
  6. Step 6: Final answer
    x = 972.85

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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.