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Finding the Fourth Proportional to 635,601.95, 876,916.87 and 359,922.09

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Solution

The fourth proportional to 635,601.95, 876,916.87 and 359,922.09 is: 496,571.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,601.95 : 876,916.87 = 359,922.09 : x
  2. Step 2: Convert to fraction form
    635,601.95/876,916.87 = 359,922.09/x
  3. Step 3: Cross multiply
    635,601.95x = 876,916.87 × 359,922.09
  4. Step 4: Simplify right side
    635,601.95x = 315,621,754,995.29
  5. Step 5: Solve for x
    x = 315,621,754,995.29/635,601.95
  6. Step 6: Final answer
    x = 496,571.41

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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.