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Finding the Fourth Proportional to 259,853.63, 389,780.44 and 62,861.63

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Solution

The fourth proportional to 259,853.63, 389,780.44 and 62,861.63 is: 94,292.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,853.63 : 389,780.44 = 62,861.63 : x
  2. Step 2: Convert to fraction form
    259,853.63/389,780.44 = 62,861.63/x
  3. Step 3: Cross multiply
    259,853.63x = 389,780.44 × 62,861.63
  4. Step 4: Simplify right side
    259,853.63x = 24,502,231,694.46
  5. Step 5: Solve for x
    x = 24,502,231,694.46/259,853.63
  6. Step 6: Final answer
    x = 94,292.44

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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.