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Finding the Fourth Proportional to 259,858.13, 389,787.20 and 62,866.13

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Solution

The fourth proportional to 259,858.13, 389,787.20 and 62,866.13 is: 94,299.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,858.13 : 389,787.20 = 62,866.13 : x
  2. Step 2: Convert to fraction form
    259,858.13/389,787.20 = 62,866.13/x
  3. Step 3: Cross multiply
    259,858.13x = 389,787.20 × 62,866.13
  4. Step 4: Simplify right side
    259,858.13x = 24,504,410,524.27
  5. Step 5: Solve for x
    x = 24,504,410,524.27/259,858.13
  6. Step 6: Final answer
    x = 94,299.19

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1.5x scale

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.