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Finding the Fourth Proportional to 893.92, 1,233.67 and 500.98

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Solution

The fourth proportional to 893.92, 1,233.67 and 500.98 is: 691.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    893.92 : 1,233.67 = 500.98 : x
  2. Step 2: Convert to fraction form
    893.92/1,233.67 = 500.98/x
  3. Step 3: Cross multiply
    893.92x = 1,233.67 × 500.98
  4. Step 4: Simplify right side
    893.92x = 618,044.00
  5. Step 5: Solve for x
    x = 618,044.00/893.92
  6. Step 6: Final answer
    x = 691.39

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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.