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Finding the Fourth Proportional to 579,745.92, 800,057.64 and 350,271.36

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Solution

The fourth proportional to 579,745.92, 800,057.64 and 350,271.36 is: 483,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,745.92 : 800,057.64 = 350,271.36 : x
  2. Step 2: Convert to fraction form
    579,745.92/800,057.64 = 350,271.36/x
  3. Step 3: Cross multiply
    579,745.92x = 800,057.64 × 350,271.36
  4. Step 4: Simplify right side
    579,745.92x = 280,237,277,641.19
  5. Step 5: Solve for x
    x = 280,237,277,641.19/579,745.92
  6. Step 6: Final answer
    x = 483,379.47

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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.