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Finding the Fourth Proportional to 555,617.88, 766,791.06 and 337,911.60

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Solution

The fourth proportional to 555,617.88, 766,791.06 and 337,911.60 is: 466,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,617.88 : 766,791.06 = 337,911.60 : x
  2. Step 2: Convert to fraction form
    555,617.88/766,791.06 = 337,911.60/x
  3. Step 3: Cross multiply
    555,617.88x = 766,791.06 × 337,911.60
  4. Step 4: Simplify right side
    555,617.88x = 259,107,591,245.39
  5. Step 5: Solve for x
    x = 259,107,591,245.39/555,617.88
  6. Step 6: Final answer
    x = 466,341.35

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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.