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Finding the Fourth Proportional to 633,423.78, 950,213.97 and 207,002.52

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Solution

The fourth proportional to 633,423.78, 950,213.97 and 207,002.52 is: 310,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,423.78 : 950,213.97 = 207,002.52 : x
  2. Step 2: Convert to fraction form
    633,423.78/950,213.97 = 207,002.52/x
  3. Step 3: Cross multiply
    633,423.78x = 950,213.97 × 207,002.52
  4. Step 4: Simplify right side
    633,423.78x = 196,696,686,329.20
  5. Step 5: Solve for x
    x = 196,696,686,329.20/633,423.78
  6. Step 6: Final answer
    x = 310,529.37

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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.