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Finding the Fourth Proportional to 299,190,404.40, 448,785,606.60 and 267,949,546.80

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Solution

The fourth proportional to 299,190,404.40, 448,785,606.60 and 267,949,546.80 is: 401,924,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,190,404.40 : 448,785,606.60 = 267,949,546.80 : x
  2. Step 2: Convert to fraction form
    299,190,404.40/448,785,606.60 = 267,949,546.80/x
  3. Step 3: Cross multiply
    299,190,404.40x = 448,785,606.60 × 267,949,546.80
  4. Step 4: Simplify right side
    299,190,404.40x = 120,251,899,898,833,104
  5. Step 5: Solve for x
    x = 120,251,899,898,833,104/299,190,404.40
  6. Step 6: Final answer
    x = 401,924,320.20

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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.