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Finding the Fourth Proportional to 611,643.26, 844,134.82 and 350,022.84

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Solution

The fourth proportional to 611,643.26, 844,134.82 and 350,022.84 is: 483,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,643.26 : 844,134.82 = 350,022.84 : x
  2. Step 2: Convert to fraction form
    611,643.26/844,134.82 = 350,022.84/x
  3. Step 3: Cross multiply
    611,643.26x = 844,134.82 × 350,022.84
  4. Step 4: Simplify right side
    611,643.26x = 295,466,467,039.29
  5. Step 5: Solve for x
    x = 295,466,467,039.29/611,643.26
  6. Step 6: Final answer
    x = 483,069.93

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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.