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Finding the Fourth Proportional to 796,259, 1,098,837.44 and 438,563

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Solution

The fourth proportional to 796,259, 1,098,837.44 and 438,563 is: 605,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,259 : 1,098,837.44 = 438,563 : x
  2. Step 2: Convert to fraction form
    796,259/1,098,837.44 = 438,563/x
  3. Step 3: Cross multiply
    796,259x = 1,098,837.44 × 438,563
  4. Step 4: Simplify right side
    796,259x = 481,909,444,198.72
  5. Step 5: Solve for x
    x = 481,909,444,198.72/796,259
  6. Step 6: Final answer
    x = 605,216.95

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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.