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Finding the Fourth Proportional to 270,057.80, 403,920.30 and 228,067.40

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Solution

The fourth proportional to 270,057.80, 403,920.30 and 228,067.40 is: 341,116.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,057.80 : 403,920.30 = 228,067.40 : x
  2. Step 2: Convert to fraction form
    270,057.80/403,920.30 = 228,067.40/x
  3. Step 3: Cross multiply
    270,057.80x = 403,920.30 × 228,067.40
  4. Step 4: Simplify right side
    270,057.80x = 92,121,052,628.22
  5. Step 5: Solve for x
    x = 92,121,052,628.22/270,057.80
  6. Step 6: Final answer
    x = 341,116.06

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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.