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Finding the Fourth Proportional to 1,160.14, 1,600.82 and 656.04

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Solution

The fourth proportional to 1,160.14, 1,600.82 and 656.04 is: 905.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.14 : 1,600.82 = 656.04 : x
  2. Step 2: Convert to fraction form
    1,160.14/1,600.82 = 656.04/x
  3. Step 3: Cross multiply
    1,160.14x = 1,600.82 × 656.04
  4. Step 4: Simplify right side
    1,160.14x = 1,050,201.95
  5. Step 5: Solve for x
    x = 1,050,201.95/1,160.14
  6. Step 6: Final answer
    x = 905.24

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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.