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Finding the Fourth Proportional to 465.89, 698.93 and 141.24

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Solution

The fourth proportional to 465.89, 698.93 and 141.24 is: 211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.89 : 698.93 = 141.24 : x
  2. Step 2: Convert to fraction form
    465.89/698.93 = 141.24/x
  3. Step 3: Cross multiply
    465.89x = 698.93 × 141.24
  4. Step 4: Simplify right side
    465.89x = 98,716.17
  5. Step 5: Solve for x
    x = 98,716.17/465.89
  6. Step 6: Final answer
    x = 211.89

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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.