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Finding the Fourth Proportional to 543,373.80, 814,404.60 and 276,997.20

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Solution

The fourth proportional to 543,373.80, 814,404.60 and 276,997.20 is: 415,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,373.80 : 814,404.60 = 276,997.20 : x
  2. Step 2: Convert to fraction form
    543,373.80/814,404.60 = 276,997.20/x
  3. Step 3: Cross multiply
    543,373.80x = 814,404.60 × 276,997.20
  4. Step 4: Simplify right side
    543,373.80x = 225,587,793,867.12
  5. Step 5: Solve for x
    x = 225,587,793,867.12/543,373.80
  6. Step 6: Final answer
    x = 415,161.34

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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.