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Finding the Fourth Proportional to 465.55, 698.37 and 234.24

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Solution

The fourth proportional to 465.55, 698.37 and 234.24 is: 351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.55 : 698.37 = 234.24 : x
  2. Step 2: Convert to fraction form
    465.55/698.37 = 234.24/x
  3. Step 3: Cross multiply
    465.55x = 698.37 × 234.24
  4. Step 4: Simplify right side
    465.55x = 163,587.94
  5. Step 5: Solve for x
    x = 163,587.94/465.55
  6. Step 6: Final answer
    x = 351.39

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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.