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Finding the Fourth Proportional to 299,752.20, 449,498.70 and 149,934.60

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Solution

The fourth proportional to 299,752.20, 449,498.70 and 149,934.60 is: 224,837.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,752.20 : 449,498.70 = 149,934.60 : x
  2. Step 2: Convert to fraction form
    299,752.20/449,498.70 = 149,934.60/x
  3. Step 3: Cross multiply
    299,752.20x = 449,498.70 × 149,934.60
  4. Step 4: Simplify right side
    299,752.20x = 67,395,407,785.02
  5. Step 5: Solve for x
    x = 67,395,407,785.02/299,752.20
  6. Step 6: Final answer
    x = 224,837.07

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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.