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Finding the Fourth Proportional to 605,641.30, 835,822.90 and 333,709.08

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Solution

The fourth proportional to 605,641.30, 835,822.90 and 333,709.08 is: 460,539.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,641.30 : 835,822.90 = 333,709.08 : x
  2. Step 2: Convert to fraction form
    605,641.30/835,822.90 = 333,709.08/x
  3. Step 3: Cross multiply
    605,641.30x = 835,822.90 × 333,709.08
  4. Step 4: Simplify right side
    605,641.30x = 278,921,691,001.93
  5. Step 5: Solve for x
    x = 278,921,691,001.93/605,641.30
  6. Step 6: Final answer
    x = 460,539.42

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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.