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Finding the Fourth Proportional to 493,879.55, 681,553.85 and 267,525.05

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Solution

The fourth proportional to 493,879.55, 681,553.85 and 267,525.05 is: 369,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,879.55 : 681,553.85 = 267,525.05 : x
  2. Step 2: Convert to fraction form
    493,879.55/681,553.85 = 267,525.05/x
  3. Step 3: Cross multiply
    493,879.55x = 681,553.85 × 267,525.05
  4. Step 4: Simplify right side
    493,879.55x = 182,332,723,053.55
  5. Step 5: Solve for x
    x = 182,332,723,053.55/493,879.55
  6. Step 6: Final answer
    x = 369,184.60

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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.