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Finding the Fourth Proportional to 298,936,067.40, 448,404,101.10 and 183,546,448.20

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Solution

The fourth proportional to 298,936,067.40, 448,404,101.10 and 183,546,448.20 is: 275,319,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,936,067.40 : 448,404,101.10 = 183,546,448.20 : x
  2. Step 2: Convert to fraction form
    298,936,067.40/448,404,101.10 = 183,546,448.20/x
  3. Step 3: Cross multiply
    298,936,067.40x = 448,404,101.10 × 183,546,448.20
  4. Step 4: Simplify right side
    298,936,067.40x = 82,302,980,115,218,720
  5. Step 5: Solve for x
    x = 82,302,980,115,218,720/298,936,067.40
  6. Step 6: Final answer
    x = 275,319,672.30

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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.