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Finding the Fourth Proportional to 579,876.33, 800,269.29 and 325,243.92

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Solution

The fourth proportional to 579,876.33, 800,269.29 and 325,243.92 is: 448,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,876.33 : 800,269.29 = 325,243.92 : x
  2. Step 2: Convert to fraction form
    579,876.33/800,269.29 = 325,243.92/x
  3. Step 3: Cross multiply
    579,876.33x = 800,269.29 × 325,243.92
  4. Step 4: Simplify right side
    579,876.33x = 260,282,720,935.22
  5. Step 5: Solve for x
    x = 260,282,720,935.22/579,876.33
  6. Step 6: Final answer
    x = 448,859.02

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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.