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Finding the Fourth Proportional to 633,579.08, 950,510.46 and 212,843.48

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Solution

The fourth proportional to 633,579.08, 950,510.46 and 212,843.48 is: 319,312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,579.08 : 950,510.46 = 212,843.48 : x
  2. Step 2: Convert to fraction form
    633,579.08/950,510.46 = 212,843.48/x
  3. Step 3: Cross multiply
    633,579.08x = 950,510.46 × 212,843.48
  4. Step 4: Simplify right side
    633,579.08x = 202,309,954,082.80
  5. Step 5: Solve for x
    x = 202,309,954,082.80/633,579.08
  6. Step 6: Final answer
    x = 319,312.87

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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.