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Finding the Fourth Proportional to 548,720.54, 827,193.59 and 512,142.97

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Solution

The fourth proportional to 548,720.54, 827,193.59 and 512,142.97 is: 772,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,720.54 : 827,193.59 = 512,142.97 : x
  2. Step 2: Convert to fraction form
    548,720.54/827,193.59 = 512,142.97/x
  3. Step 3: Cross multiply
    548,720.54x = 827,193.59 × 512,142.97
  4. Step 4: Simplify right side
    548,720.54x = 423,641,379,239.40
  5. Step 5: Solve for x
    x = 423,641,379,239.40/548,720.54
  6. Step 6: Final answer
    x = 772,053.07

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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.