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Finding the Fourth Proportional to 605,780.52, 835,982.82 and 333,858.21

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Solution

The fourth proportional to 605,780.52, 835,982.82 and 333,858.21 is: 460,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,780.52 : 835,982.82 = 333,858.21 : x
  2. Step 2: Convert to fraction form
    605,780.52/835,982.82 = 333,858.21/x
  3. Step 3: Cross multiply
    605,780.52x = 835,982.82 × 333,858.21
  4. Step 4: Simplify right side
    605,780.52x = 279,099,727,875.95
  5. Step 5: Solve for x
    x = 279,099,727,875.95/605,780.52
  6. Step 6: Final answer
    x = 460,727.47

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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.