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Finding the Fourth Proportional to 493,520.58, 740,280.77 and 269,069.79

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Solution

The fourth proportional to 493,520.58, 740,280.77 and 269,069.79 is: 403,604.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,520.58 : 740,280.77 = 269,069.79 : x
  2. Step 2: Convert to fraction form
    493,520.58/740,280.77 = 269,069.79/x
  3. Step 3: Cross multiply
    493,520.58x = 740,280.77 × 269,069.79
  4. Step 4: Simplify right side
    493,520.58x = 199,187,189,979.59
  5. Step 5: Solve for x
    x = 199,187,189,979.59/493,520.58
  6. Step 6: Final answer
    x = 403,604.63

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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.