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Finding the Fourth Proportional to 605,322.12, 835,382.45 and 333,389.96

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Solution

The fourth proportional to 605,322.12, 835,382.45 and 333,389.96 is: 460,099.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,322.12 : 835,382.45 = 333,389.96 : x
  2. Step 2: Convert to fraction form
    605,322.12/835,382.45 = 333,389.96/x
  3. Step 3: Cross multiply
    605,322.12x = 835,382.45 × 333,389.96
  4. Step 4: Simplify right side
    605,322.12x = 278,508,121,590.20
  5. Step 5: Solve for x
    x = 278,508,121,590.20/605,322.12
  6. Step 6: Final answer
    x = 460,099.03

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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.