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Finding the Fourth Proportional to 234,437.49, 350,651.53 and 217,419.90

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Solution

The fourth proportional to 234,437.49, 350,651.53 and 217,419.90 is: 325,198.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,437.49 : 350,651.53 = 217,419.90 : x
  2. Step 2: Convert to fraction form
    234,437.49/350,651.53 = 217,419.90/x
  3. Step 3: Cross multiply
    234,437.49x = 350,651.53 × 217,419.90
  4. Step 4: Simplify right side
    234,437.49x = 76,238,619,544.28
  5. Step 5: Solve for x
    x = 76,238,619,544.28/234,437.49
  6. Step 6: Final answer
    x = 325,198.07

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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.