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Finding the Fourth Proportional to 654,067.80, 981,393.30 and 233,645.40

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Solution

The fourth proportional to 654,067.80, 981,393.30 and 233,645.40 is: 350,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,067.80 : 981,393.30 = 233,645.40 : x
  2. Step 2: Convert to fraction form
    654,067.80/981,393.30 = 233,645.40/x
  3. Step 3: Cross multiply
    654,067.80x = 981,393.30 × 233,645.40
  4. Step 4: Simplify right side
    654,067.80x = 229,298,030,135.82
  5. Step 5: Solve for x
    x = 229,298,030,135.82/654,067.80
  6. Step 6: Final answer
    x = 350,572.27

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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.