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Finding the Fourth Proportional to 468.90, 703.11 and 160.71

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Solution

The fourth proportional to 468.90, 703.11 and 160.71 is: 240.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.90 : 703.11 = 160.71 : x
  2. Step 2: Convert to fraction form
    468.90/703.11 = 160.71/x
  3. Step 3: Cross multiply
    468.90x = 703.11 × 160.71
  4. Step 4: Simplify right side
    468.90x = 112,996.81
  5. Step 5: Solve for x
    x = 112,996.81/468.90
  6. Step 6: Final answer
    x = 240.98

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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.