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Finding the Fourth Proportional to 1,197.22, 1,652.01 and 699.94

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Solution

The fourth proportional to 1,197.22, 1,652.01 and 699.94 is: 965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.22 : 1,652.01 = 699.94 : x
  2. Step 2: Convert to fraction form
    1,197.22/1,652.01 = 699.94/x
  3. Step 3: Cross multiply
    1,197.22x = 1,652.01 × 699.94
  4. Step 4: Simplify right side
    1,197.22x = 1,156,307.88
  5. Step 5: Solve for x
    x = 1,156,307.88/1,197.22
  6. Step 6: Final answer
    x = 965.83

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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.