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Finding the Fourth Proportional to 479,660.52, 661,914.17 and 264,795.98

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Solution

The fourth proportional to 479,660.52, 661,914.17 and 264,795.98 is: 365,408.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,660.52 : 661,914.17 = 264,795.98 : x
  2. Step 2: Convert to fraction form
    479,660.52/661,914.17 = 264,795.98/x
  3. Step 3: Cross multiply
    479,660.52x = 661,914.17 × 264,795.98
  4. Step 4: Simplify right side
    479,660.52x = 175,272,206,687.49
  5. Step 5: Solve for x
    x = 175,272,206,687.49/479,660.52
  6. Step 6: Final answer
    x = 365,408.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.