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Finding the Fourth Proportional to 483,636.68, 667,419.06 and 268,796.84

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Solution

The fourth proportional to 483,636.68, 667,419.06 and 268,796.84 is: 370,939.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,636.68 : 667,419.06 = 268,796.84 : x
  2. Step 2: Convert to fraction form
    483,636.68/667,419.06 = 268,796.84/x
  3. Step 3: Cross multiply
    483,636.68x = 667,419.06 × 268,796.84
  4. Step 4: Simplify right side
    483,636.68x = 179,400,134,283.77
  5. Step 5: Solve for x
    x = 179,400,134,283.77/483,636.68
  6. Step 6: Final answer
    x = 370,939.88

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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.