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Finding the Fourth Proportional to 548,727.01, 827,203.35 and 512,149.43

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Solution

The fourth proportional to 548,727.01, 827,203.35 and 512,149.43 is: 772,062.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,727.01 : 827,203.35 = 512,149.43 : x
  2. Step 2: Convert to fraction form
    548,727.01/827,203.35 = 512,149.43/x
  3. Step 3: Cross multiply
    548,727.01x = 827,203.35 × 512,149.43
  4. Step 4: Simplify right side
    548,727.01x = 423,651,723,863.90
  5. Step 5: Solve for x
    x = 423,651,723,863.90/548,727.01
  6. Step 6: Final answer
    x = 772,062.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.