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Finding the Fourth Proportional to 483,067.80, 666,599.63 and 268,195.05

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Solution

The fourth proportional to 483,067.80, 666,599.63 and 268,195.05 is: 370,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,067.80 : 666,599.63 = 268,195.05 : x
  2. Step 2: Convert to fraction form
    483,067.80/666,599.63 = 268,195.05/x
  3. Step 3: Cross multiply
    483,067.80x = 666,599.63 × 268,195.05
  4. Step 4: Simplify right side
    483,067.80x = 178,778,719,756.86
  5. Step 5: Solve for x
    x = 178,778,719,756.86/483,067.80
  6. Step 6: Final answer
    x = 370,090.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.