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Finding the Fourth Proportional to 437.92, 656.84 and 160.26

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Solution

The fourth proportional to 437.92, 656.84 and 160.26 is: 240.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.92 : 656.84 = 160.26 : x
  2. Step 2: Convert to fraction form
    437.92/656.84 = 160.26/x
  3. Step 3: Cross multiply
    437.92x = 656.84 × 160.26
  4. Step 4: Simplify right side
    437.92x = 105,265.18
  5. Step 5: Solve for x
    x = 105,265.18/437.92
  6. Step 6: Final answer
    x = 240.38

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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.