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Finding the Fourth Proportional to 579,742.92, 800,053.50 and 350,268.36

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Solution

The fourth proportional to 579,742.92, 800,053.50 and 350,268.36 is: 483,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,742.92 : 800,053.50 = 350,268.36 : x
  2. Step 2: Convert to fraction form
    579,742.92/800,053.50 = 350,268.36/x
  3. Step 3: Cross multiply
    579,742.92x = 800,053.50 × 350,268.36
  4. Step 4: Simplify right side
    579,742.92x = 280,233,427,357.26
  5. Step 5: Solve for x
    x = 280,233,427,357.26/579,742.92
  6. Step 6: Final answer
    x = 483,375.33

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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.