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Finding the Fourth Proportional to 436,808.70, 655,234.65 and 226,856.70

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Solution

The fourth proportional to 436,808.70, 655,234.65 and 226,856.70 is: 340,296.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,808.70 : 655,234.65 = 226,856.70 : x
  2. Step 2: Convert to fraction form
    436,808.70/655,234.65 = 226,856.70/x
  3. Step 3: Cross multiply
    436,808.70x = 655,234.65 × 226,856.70
  4. Step 4: Simplify right side
    436,808.70x = 148,644,370,424.66
  5. Step 5: Solve for x
    x = 148,644,370,424.66/436,808.70
  6. Step 6: Final answer
    x = 340,296.27

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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.