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Finding the Fourth Proportional to 605,318.78, 835,329.62 and 333,412.11

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Solution

The fourth proportional to 605,318.78, 835,329.62 and 333,412.11 is: 460,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,318.78 : 835,329.62 = 333,412.11 : x
  2. Step 2: Convert to fraction form
    605,318.78/835,329.62 = 333,412.11/x
  3. Step 3: Cross multiply
    605,318.78x = 835,329.62 × 333,412.11
  4. Step 4: Simplify right side
    605,318.78x = 278,509,011,149.70
  5. Step 5: Solve for x
    x = 278,509,011,149.70/605,318.78
  6. Step 6: Final answer
    x = 460,103.04

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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.