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Finding the Fourth Proportional to 262,621.80, 394,224.30 and 162,894.60

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Solution

The fourth proportional to 262,621.80, 394,224.30 and 162,894.60 is: 244,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,621.80 : 394,224.30 = 162,894.60 : x
  2. Step 2: Convert to fraction form
    262,621.80/394,224.30 = 162,894.60/x
  3. Step 3: Cross multiply
    262,621.80x = 394,224.30 × 162,894.60
  4. Step 4: Simplify right side
    262,621.80x = 64,217,009,658.78
  5. Step 5: Solve for x
    x = 64,217,009,658.78/262,621.80
  6. Step 6: Final answer
    x = 244,522.77

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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.