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Finding the Fourth Proportional to 578,840.68, 798,793.14 and 337,162.60

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Solution

The fourth proportional to 578,840.68, 798,793.14 and 337,162.60 is: 465,280.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,840.68 : 798,793.14 = 337,162.60 : x
  2. Step 2: Convert to fraction form
    578,840.68/798,793.14 = 337,162.60/x
  3. Step 3: Cross multiply
    578,840.68x = 798,793.14 × 337,162.60
  4. Step 4: Simplify right side
    578,840.68x = 269,323,171,944.56
  5. Step 5: Solve for x
    x = 269,323,171,944.56/578,840.68
  6. Step 6: Final answer
    x = 465,280.31

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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.