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Finding the Fourth Proportional to 605,969.16, 836,231.72 and 330,326.97

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Solution

The fourth proportional to 605,969.16, 836,231.72 and 330,326.97 is: 455,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,969.16 : 836,231.72 = 330,326.97 : x
  2. Step 2: Convert to fraction form
    605,969.16/836,231.72 = 330,326.97/x
  3. Step 3: Cross multiply
    605,969.16x = 836,231.72 × 330,326.97
  4. Step 4: Simplify right side
    605,969.16x = 276,229,888,633.85
  5. Step 5: Solve for x
    x = 276,229,888,633.85/605,969.16
  6. Step 6: Final answer
    x = 455,848.10

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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.