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Finding the Fourth Proportional to 348,891.39, 481,532.96 and 205,643.07

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Solution

The fourth proportional to 348,891.39, 481,532.96 and 205,643.07 is: 283,824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,891.39 : 481,532.96 = 205,643.07 : x
  2. Step 2: Convert to fraction form
    348,891.39/481,532.96 = 205,643.07/x
  3. Step 3: Cross multiply
    348,891.39x = 481,532.96 × 205,643.07
  4. Step 4: Simplify right side
    348,891.39x = 99,023,915,172.37
  5. Step 5: Solve for x
    x = 99,023,915,172.37/348,891.39
  6. Step 6: Final answer
    x = 283,824.47

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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.