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Finding the Fourth Proportional to 1,161.56, 1,743.05 and 468.16

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Solution

The fourth proportional to 1,161.56, 1,743.05 and 468.16 is: 702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161.56 : 1,743.05 = 468.16 : x
  2. Step 2: Convert to fraction form
    1,161.56/1,743.05 = 468.16/x
  3. Step 3: Cross multiply
    1,161.56x = 1,743.05 × 468.16
  4. Step 4: Simplify right side
    1,161.56x = 816,023.10
  5. Step 5: Solve for x
    x = 816,023.10/1,161.56
  6. Step 6: Final answer
    x = 702.52

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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.