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Finding the Fourth Proportional to 483,208.68, 666,858.84 and 268,348.80

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Solution

The fourth proportional to 483,208.68, 666,858.84 and 268,348.80 is: 370,338.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,208.68 : 666,858.84 = 268,348.80 : x
  2. Step 2: Convert to fraction form
    483,208.68/666,858.84 = 268,348.80/x
  3. Step 3: Cross multiply
    483,208.68x = 666,858.84 × 268,348.80
  4. Step 4: Simplify right side
    483,208.68x = 178,950,769,483.39
  5. Step 5: Solve for x
    x = 178,950,769,483.39/483,208.68
  6. Step 6: Final answer
    x = 370,338.48

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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.