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Finding the Fourth Proportional to 667,596, 1,001,519.55 and 268,268.43

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Solution

The fourth proportional to 667,596, 1,001,519.55 and 268,268.43 is: 402,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,596 : 1,001,519.55 = 268,268.43 : x
  2. Step 2: Convert to fraction form
    667,596/1,001,519.55 = 268,268.43/x
  3. Step 3: Cross multiply
    667,596x = 1,001,519.55 × 268,268.43
  4. Step 4: Simplify right side
    667,596x = 268,676,077,292.81
  5. Step 5: Solve for x
    x = 268,676,077,292.81/667,596
  6. Step 6: Final answer
    x = 402,453.10

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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.