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Finding the Fourth Proportional to 251,844.84, 375,924.67 and 221,952.20

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Solution

The fourth proportional to 251,844.84, 375,924.67 and 221,952.20 is: 331,304.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,844.84 : 375,924.67 = 221,952.20 : x
  2. Step 2: Convert to fraction form
    251,844.84/375,924.67 = 221,952.20/x
  3. Step 3: Cross multiply
    251,844.84x = 375,924.67 × 221,952.20
  4. Step 4: Simplify right side
    251,844.84x = 83,437,306,431.01
  5. Step 5: Solve for x
    x = 83,437,306,431.01/251,844.84
  6. Step 6: Final answer
    x = 331,304.41

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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.