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Finding the Fourth Proportional to 444,488,648.80, 667,488,800.40 and 329,602,914.40

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Solution

The fourth proportional to 444,488,648.80, 667,488,800.40 and 329,602,914.40 is: 494,964,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,488,648.80 : 667,488,800.40 = 329,602,914.40 : x
  2. Step 2: Convert to fraction form
    444,488,648.80/667,488,800.40 = 329,602,914.40/x
  3. Step 3: Cross multiply
    444,488,648.80x = 667,488,800.40 × 329,602,914.40
  4. Step 4: Simplify right side
    444,488,648.80x = 220,006,253,941,199,872
  5. Step 5: Solve for x
    x = 220,006,253,941,199,872/444,488,648.80
  6. Step 6: Final answer
    x = 494,964,842.26

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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.