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Finding the Fourth Proportional to 547,288.80, 821,451.60 and 337,336.80

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Solution

The fourth proportional to 547,288.80, 821,451.60 and 337,336.80 is: 506,324.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,288.80 : 821,451.60 = 337,336.80 : x
  2. Step 2: Convert to fraction form
    547,288.80/821,451.60 = 337,336.80/x
  3. Step 3: Cross multiply
    547,288.80x = 821,451.60 × 337,336.80
  4. Step 4: Simplify right side
    547,288.80x = 277,105,854,098.88
  5. Step 5: Solve for x
    x = 277,105,854,098.88/547,288.80
  6. Step 6: Final answer
    x = 506,324.73

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1.5x scale

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.