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Finding the Fourth Proportional to 337,520.40, 506,410.20 and 332,206.80

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Solution

The fourth proportional to 337,520.40, 506,410.20 and 332,206.80 is: 498,437.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,520.40 : 506,410.20 = 332,206.80 : x
  2. Step 2: Convert to fraction form
    337,520.40/506,410.20 = 332,206.80/x
  3. Step 3: Cross multiply
    337,520.40x = 506,410.20 × 332,206.80
  4. Step 4: Simplify right side
    337,520.40x = 168,232,912,029.36
  5. Step 5: Solve for x
    x = 168,232,912,029.36/337,520.40
  6. Step 6: Final answer
    x = 498,437.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.