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Finding the Fourth Proportional to 323,773.58, 485,800.78 and 173,838.80

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Solution

The fourth proportional to 323,773.58, 485,800.78 and 173,838.80 is: 260,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,773.58 : 485,800.78 = 173,838.80 : x
  2. Step 2: Convert to fraction form
    323,773.58/485,800.78 = 173,838.80/x
  3. Step 3: Cross multiply
    323,773.58x = 485,800.78 × 173,838.80
  4. Step 4: Simplify right side
    323,773.58x = 84,451,024,634.26
  5. Step 5: Solve for x
    x = 84,451,024,634.26/323,773.58
  6. Step 6: Final answer
    x = 260,833.59

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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.