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Finding the Fourth Proportional to 465.53, 697.89 and 234.23

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Solution

The fourth proportional to 465.53, 697.89 and 234.23 is: 351.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.53 : 697.89 = 234.23 : x
  2. Step 2: Convert to fraction form
    465.53/697.89 = 234.23/x
  3. Step 3: Cross multiply
    465.53x = 697.89 × 234.23
  4. Step 4: Simplify right side
    465.53x = 163,465.47
  5. Step 5: Solve for x
    x = 163,465.47/465.53
  6. Step 6: Final answer
    x = 351.14

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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.