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Finding the Fourth Proportional to 514,542.00, 772,519.97 and 261,992.19

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Solution

The fourth proportional to 514,542.00, 772,519.97 and 261,992.19 is: 393,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,542.00 : 772,519.97 = 261,992.19 : x
  2. Step 2: Convert to fraction form
    514,542.00/772,519.97 = 261,992.19/x
  3. Step 3: Cross multiply
    514,542.00x = 772,519.97 × 261,992.19
  4. Step 4: Simplify right side
    514,542.00x = 202,394,196,491.83
  5. Step 5: Solve for x
    x = 202,394,196,491.83/514,542.00
  6. Step 6: Final answer
    x = 393,348.25

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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.