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Finding the Fourth Proportional to 274,474.80, 411,712.20 and 224,611.20

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Solution

The fourth proportional to 274,474.80, 411,712.20 and 224,611.20 is: 336,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,474.80 : 411,712.20 = 224,611.20 : x
  2. Step 2: Convert to fraction form
    274,474.80/411,712.20 = 224,611.20/x
  3. Step 3: Cross multiply
    274,474.80x = 411,712.20 × 224,611.20
  4. Step 4: Simplify right side
    274,474.80x = 92,475,171,296.64
  5. Step 5: Solve for x
    x = 92,475,171,296.64/274,474.80
  6. Step 6: Final answer
    x = 336,916.80

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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.