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Finding the Fourth Proportional to 578,900.24, 798,893.90 and 337,198.38

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Solution

The fourth proportional to 578,900.24, 798,893.90 and 337,198.38 is: 465,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,900.24 : 798,893.90 = 337,198.38 : x
  2. Step 2: Convert to fraction form
    578,900.24/798,893.90 = 337,198.38/x
  3. Step 3: Cross multiply
    578,900.24x = 798,893.90 × 337,198.38
  4. Step 4: Simplify right side
    578,900.24x = 269,385,728,871.88
  5. Step 5: Solve for x
    x = 269,385,728,871.88/578,900.24
  6. Step 6: Final answer
    x = 465,340.50

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1.5x scale

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.