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Finding the Fourth Proportional to 605,817.68, 835,995.91 and 333,831.42

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Solution

The fourth proportional to 605,817.68, 835,995.91 and 333,831.42 is: 460,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,817.68 : 835,995.91 = 333,831.42 : x
  2. Step 2: Convert to fraction form
    605,817.68/835,995.91 = 333,831.42/x
  3. Step 3: Cross multiply
    605,817.68x = 835,995.91 × 333,831.42
  4. Step 4: Simplify right side
    605,817.68x = 279,081,700,914.91
  5. Step 5: Solve for x
    x = 279,081,700,914.91/605,817.68
  6. Step 6: Final answer
    x = 460,669.46

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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.