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Finding the Fourth Proportional to 427,338.82, 589,690.83 and 236,304.37

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Solution

The fourth proportional to 427,338.82, 589,690.83 and 236,304.37 is: 326,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,338.82 : 589,690.83 = 236,304.37 : x
  2. Step 2: Convert to fraction form
    427,338.82/589,690.83 = 236,304.37/x
  3. Step 3: Cross multiply
    427,338.82x = 589,690.83 × 236,304.37
  4. Step 4: Simplify right side
    427,338.82x = 139,346,520,077.93
  5. Step 5: Solve for x
    x = 139,346,520,077.93/427,338.82
  6. Step 6: Final answer
    x = 326,079.71

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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.