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Finding the Fourth Proportional to 654,364.80, 981,603.09 and 181,049.40

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Solution

The fourth proportional to 654,364.80, 981,603.09 and 181,049.40 is: 271,589.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,364.80 : 981,603.09 = 181,049.40 : x
  2. Step 2: Convert to fraction form
    654,364.80/981,603.09 = 181,049.40/x
  3. Step 3: Cross multiply
    654,364.80x = 981,603.09 × 181,049.40
  4. Step 4: Simplify right side
    654,364.80x = 177,718,650,482.65
  5. Step 5: Solve for x
    x = 177,718,650,482.65/654,364.80
  6. Step 6: Final answer
    x = 271,589.56

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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.