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Finding the Fourth Proportional to 262,906.60, 394,426.26 and 73,366.80

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Solution

The fourth proportional to 262,906.60, 394,426.26 and 73,366.80 is: 110,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,906.60 : 394,426.26 = 73,366.80 : x
  2. Step 2: Convert to fraction form
    262,906.60/394,426.26 = 73,366.80/x
  3. Step 3: Cross multiply
    262,906.60x = 394,426.26 × 73,366.80
  4. Step 4: Simplify right side
    262,906.60x = 28,937,792,532.17
  5. Step 5: Solve for x
    x = 28,937,792,532.17/262,906.60
  6. Step 6: Final answer
    x = 110,068.72

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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.