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Finding the Fourth Proportional to 608,231.66, 839,286.43 and 336,262.82

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Solution

The fourth proportional to 608,231.66, 839,286.43 and 336,262.82 is: 464,002.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,231.66 : 839,286.43 = 336,262.82 : x
  2. Step 2: Convert to fraction form
    608,231.66/839,286.43 = 336,262.82/x
  3. Step 3: Cross multiply
    608,231.66x = 839,286.43 × 336,262.82
  4. Step 4: Simplify right side
    608,231.66x = 282,220,816,702.44
  5. Step 5: Solve for x
    x = 282,220,816,702.44/608,231.66
  6. Step 6: Final answer
    x = 464,002.18

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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.