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Finding the Fourth Proportional to 526,267.98, 726,249.78 and 284,550.48

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Solution

The fourth proportional to 526,267.98, 726,249.78 and 284,550.48 is: 392,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,267.98 : 726,249.78 = 284,550.48 : x
  2. Step 2: Convert to fraction form
    526,267.98/726,249.78 = 284,550.48/x
  3. Step 3: Cross multiply
    526,267.98x = 726,249.78 × 284,550.48
  4. Step 4: Simplify right side
    526,267.98x = 206,654,723,498.89
  5. Step 5: Solve for x
    x = 206,654,723,498.89/526,267.98
  6. Step 6: Final answer
    x = 392,679.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.