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Finding the Fourth Proportional to 548,722.41, 827,196.42 and 512,144.84

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Solution

The fourth proportional to 548,722.41, 827,196.42 and 512,144.84 is: 772,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,722.41 : 827,196.42 = 512,144.84 : x
  2. Step 2: Convert to fraction form
    548,722.41/827,196.42 = 512,144.84/x
  3. Step 3: Cross multiply
    548,722.41x = 827,196.42 × 512,144.84
  4. Step 4: Simplify right side
    548,722.41x = 423,644,374,033.49
  5. Step 5: Solve for x
    x = 423,644,374,033.49/548,722.41
  6. Step 6: Final answer
    x = 772,055.90

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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.