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Finding the Fourth Proportional to 585,081.56, 876,958.86 and 268,885.08

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Solution

The fourth proportional to 585,081.56, 876,958.86 and 268,885.08 is: 403,022.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,081.56 : 876,958.86 = 268,885.08 : x
  2. Step 2: Convert to fraction form
    585,081.56/876,958.86 = 268,885.08/x
  3. Step 3: Cross multiply
    585,081.56x = 876,958.86 × 268,885.08
  4. Step 4: Simplify right side
    585,081.56x = 235,801,153,227.81
  5. Step 5: Solve for x
    x = 235,801,153,227.81/585,081.56
  6. Step 6: Final answer
    x = 403,022.71

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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.