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Finding the Fourth Proportional to 251,843.34, 375,922.43 and 221,950.70

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Solution

The fourth proportional to 251,843.34, 375,922.43 and 221,950.70 is: 331,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,843.34 : 375,922.43 = 221,950.70 : x
  2. Step 2: Convert to fraction form
    251,843.34/375,922.43 = 221,950.70/x
  3. Step 3: Cross multiply
    251,843.34x = 375,922.43 × 221,950.70
  4. Step 4: Simplify right side
    251,843.34x = 83,436,246,484.20
  5. Step 5: Solve for x
    x = 83,436,246,484.20/251,843.34
  6. Step 6: Final answer
    x = 331,302.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.