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Finding the Fourth Proportional to 547,284.80, 821,445.60 and 337,332.80

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Solution

The fourth proportional to 547,284.80, 821,445.60 and 337,332.80 is: 506,318.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,284.80 : 821,445.60 = 337,332.80 : x
  2. Step 2: Convert to fraction form
    547,284.80/821,445.60 = 337,332.80/x
  3. Step 3: Cross multiply
    547,284.80x = 821,445.60 × 337,332.80
  4. Step 4: Simplify right side
    547,284.80x = 277,100,544,295.68
  5. Step 5: Solve for x
    x = 277,100,544,295.68/547,284.80
  6. Step 6: Final answer
    x = 506,318.73

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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.