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Finding the Fourth Proportional to 508,382.61, 701,623.29 and 324,789.06

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Solution

The fourth proportional to 508,382.61, 701,623.29 and 324,789.06 is: 448,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,382.61 : 701,623.29 = 324,789.06 : x
  2. Step 2: Convert to fraction form
    508,382.61/701,623.29 = 324,789.06/x
  3. Step 3: Cross multiply
    508,382.61x = 701,623.29 × 324,789.06
  4. Step 4: Simplify right side
    508,382.61x = 227,879,568,833.21
  5. Step 5: Solve for x
    x = 227,879,568,833.21/508,382.61
  6. Step 6: Final answer
    x = 448,244.22

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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.