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Finding the Fourth Proportional to 852.17, 1,174.52 and 703.24

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Solution

The fourth proportional to 852.17, 1,174.52 and 703.24 is: 969.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    852.17 : 1,174.52 = 703.24 : x
  2. Step 2: Convert to fraction form
    852.17/1,174.52 = 703.24/x
  3. Step 3: Cross multiply
    852.17x = 1,174.52 × 703.24
  4. Step 4: Simplify right side
    852.17x = 825,968.27
  5. Step 5: Solve for x
    x = 825,968.27/852.17
  6. Step 6: Final answer
    x = 969.26

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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.