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Finding the Fourth Proportional to 338,989.68, 467,819.28 and 186,033.24

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Solution

The fourth proportional to 338,989.68, 467,819.28 and 186,033.24 is: 256,733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,989.68 : 467,819.28 = 186,033.24 : x
  2. Step 2: Convert to fraction form
    338,989.68/467,819.28 = 186,033.24/x
  3. Step 3: Cross multiply
    338,989.68x = 467,819.28 × 186,033.24
  4. Step 4: Simplify right side
    338,989.68x = 87,029,936,392.87
  5. Step 5: Solve for x
    x = 87,029,936,392.87/338,989.68
  6. Step 6: Final answer
    x = 256,733.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.