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Finding the Fourth Proportional to 271,733.20, 408,037.20 and 183,378.40

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Solution

The fourth proportional to 271,733.20, 408,037.20 and 183,378.40 is: 275,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,733.20 : 408,037.20 = 183,378.40 : x
  2. Step 2: Convert to fraction form
    271,733.20/408,037.20 = 183,378.40/x
  3. Step 3: Cross multiply
    271,733.20x = 408,037.20 × 183,378.40
  4. Step 4: Simplify right side
    271,733.20x = 74,825,208,876.48
  5. Step 5: Solve for x
    x = 74,825,208,876.48/271,733.20
  6. Step 6: Final answer
    x = 275,362.78

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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.