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Finding the Fourth Proportional to 605,371.05, 835,411.99 and 350,869.86

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Solution

The fourth proportional to 605,371.05, 835,411.99 and 350,869.86 is: 484,200.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,371.05 : 835,411.99 = 350,869.86 : x
  2. Step 2: Convert to fraction form
    605,371.05/835,411.99 = 350,869.86/x
  3. Step 3: Cross multiply
    605,371.05x = 835,411.99 × 350,869.86
  4. Step 4: Simplify right side
    605,371.05x = 293,120,887,973.62
  5. Step 5: Solve for x
    x = 293,120,887,973.62/605,371.05
  6. Step 6: Final answer
    x = 484,200.37

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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.