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Finding the Fourth Proportional to 605,321.12, 835,381.07 and 333,388.96

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Solution

The fourth proportional to 605,321.12, 835,381.07 and 333,388.96 is: 460,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,321.12 : 835,381.07 = 333,388.96 : x
  2. Step 2: Convert to fraction form
    605,321.12/835,381.07 = 333,388.96/x
  3. Step 3: Cross multiply
    605,321.12x = 835,381.07 × 333,388.96
  4. Step 4: Simplify right side
    605,321.12x = 278,506,824,876.01
  5. Step 5: Solve for x
    x = 278,506,824,876.01/605,321.12
  6. Step 6: Final answer
    x = 460,097.65

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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.