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Finding the Fourth Proportional to 576,959.57, 796,234.77 and 347,589.05

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Solution

The fourth proportional to 576,959.57, 796,234.77 and 347,589.05 is: 479,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,959.57 : 796,234.77 = 347,589.05 : x
  2. Step 2: Convert to fraction form
    576,959.57/796,234.77 = 347,589.05/x
  3. Step 3: Cross multiply
    576,959.57x = 796,234.77 × 347,589.05
  4. Step 4: Simplify right side
    576,959.57x = 276,762,487,281.27
  5. Step 5: Solve for x
    x = 276,762,487,281.27/576,959.57
  6. Step 6: Final answer
    x = 479,691.30

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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.