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Finding the Fourth Proportional to 234,236.90, 351,207.71 and 198,710.67

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Solution

The fourth proportional to 234,236.90, 351,207.71 and 198,710.67 is: 297,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,236.90 : 351,207.71 = 198,710.67 : x
  2. Step 2: Convert to fraction form
    234,236.90/351,207.71 = 198,710.67/x
  3. Step 3: Cross multiply
    234,236.90x = 351,207.71 × 198,710.67
  4. Step 4: Simplify right side
    234,236.90x = 69,788,719,860.04
  5. Step 5: Solve for x
    x = 69,788,719,860.04/234,236.90
  6. Step 6: Final answer
    x = 297,940.77

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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.