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Finding the Fourth Proportional to 483,338.21, 667,006.47 and 268,498.28

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Solution

The fourth proportional to 483,338.21, 667,006.47 and 268,498.28 is: 370,527.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,338.21 : 667,006.47 = 268,498.28 : x
  2. Step 2: Convert to fraction form
    483,338.21/667,006.47 = 268,498.28/x
  3. Step 3: Cross multiply
    483,338.21x = 667,006.47 × 268,498.28
  4. Step 4: Simplify right side
    483,338.21x = 179,090,089,943.87
  5. Step 5: Solve for x
    x = 179,090,089,943.87/483,338.21
  6. Step 6: Final answer
    x = 370,527.48

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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.