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Finding the Fourth Proportional to 262.68, 394.58 and 160.01

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Solution

The fourth proportional to 262.68, 394.58 and 160.01 is: 240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.68 : 394.58 = 160.01 : x
  2. Step 2: Convert to fraction form
    262.68/394.58 = 160.01/x
  3. Step 3: Cross multiply
    262.68x = 394.58 × 160.01
  4. Step 4: Simplify right side
    262.68x = 63,136.75
  5. Step 5: Solve for x
    x = 63,136.75/262.68
  6. Step 6: Final answer
    x = 240.36

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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.