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Finding the Fourth Proportional to 1,197.68, 1,652.83 and 700.34

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Solution

The fourth proportional to 1,197.68, 1,652.83 and 700.34 is: 966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.68 : 1,652.83 = 700.34 : x
  2. Step 2: Convert to fraction form
    1,197.68/1,652.83 = 700.34/x
  3. Step 3: Cross multiply
    1,197.68x = 1,652.83 × 700.34
  4. Step 4: Simplify right side
    1,197.68x = 1,157,532.95
  5. Step 5: Solve for x
    x = 1,157,532.95/1,197.68
  6. Step 6: Final answer
    x = 966.48

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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.