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Finding the Fourth Proportional to 605,422.26, 835,482.81 and 350,921.10

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Solution

The fourth proportional to 605,422.26, 835,482.81 and 350,921.10 is: 484,271.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,422.26 : 835,482.81 = 350,921.10 : x
  2. Step 2: Convert to fraction form
    605,422.26/835,482.81 = 350,921.10/x
  3. Step 3: Cross multiply
    605,422.26x = 835,482.81 × 350,921.10
  4. Step 4: Simplify right side
    605,422.26x = 293,188,546,716.29
  5. Step 5: Solve for x
    x = 293,188,546,716.29/605,422.26
  6. Step 6: Final answer
    x = 484,271.17

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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.