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Finding the Fourth Proportional to 676.44, 1,013.85 and 595.44

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Solution

The fourth proportional to 676.44, 1,013.85 and 595.44 is: 892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.44 : 1,013.85 = 595.44 : x
  2. Step 2: Convert to fraction form
    676.44/1,013.85 = 595.44/x
  3. Step 3: Cross multiply
    676.44x = 1,013.85 × 595.44
  4. Step 4: Simplify right side
    676.44x = 603,686.84
  5. Step 5: Solve for x
    x = 603,686.84/676.44
  6. Step 6: Final answer
    x = 892.45

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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.