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Finding the Fourth Proportional to 633,755.88, 950,845.64 and 207,311.16

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Solution

The fourth proportional to 633,755.88, 950,845.64 and 207,311.16 is: 311,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,755.88 : 950,845.64 = 207,311.16 : x
  2. Step 2: Convert to fraction form
    633,755.88/950,845.64 = 207,311.16/x
  3. Step 3: Cross multiply
    633,755.88x = 950,845.64 × 207,311.16
  4. Step 4: Simplify right side
    633,755.88x = 197,120,912,609.34
  5. Step 5: Solve for x
    x = 197,120,912,609.34/633,755.88
  6. Step 6: Final answer
    x = 311,036.03

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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.