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Finding the Fourth Proportional to 608,020.25, 839,151.32 and 349,891.92

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Solution

The fourth proportional to 608,020.25, 839,151.32 and 349,891.92 is: 482,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,020.25 : 839,151.32 = 349,891.92 : x
  2. Step 2: Convert to fraction form
    608,020.25/839,151.32 = 349,891.92/x
  3. Step 3: Cross multiply
    608,020.25x = 839,151.32 × 349,891.92
  4. Step 4: Simplify right side
    608,020.25x = 293,612,264,775.88
  5. Step 5: Solve for x
    x = 293,612,264,775.88/608,020.25
  6. Step 6: Final answer
    x = 482,898.83

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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.