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Finding the Fourth Proportional to 704.84, 1,058.60 and 674.12

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Solution

The fourth proportional to 704.84, 1,058.60 and 674.12 is: 1,012.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.84 : 1,058.60 = 674.12 : x
  2. Step 2: Convert to fraction form
    704.84/1,058.60 = 674.12/x
  3. Step 3: Cross multiply
    704.84x = 1,058.60 × 674.12
  4. Step 4: Simplify right side
    704.84x = 713,623.43
  5. Step 5: Solve for x
    x = 713,623.43/704.84
  6. Step 6: Final answer
    x = 1,012.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.