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Finding the Fourth Proportional to 444,893,400.80, 667,340,101.20 and 253,790,424.80

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Solution

The fourth proportional to 444,893,400.80, 667,340,101.20 and 253,790,424.80 is: 380,685,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,893,400.80 : 667,340,101.20 = 253,790,424.80 : x
  2. Step 2: Convert to fraction form
    444,893,400.80/667,340,101.20 = 253,790,424.80/x
  3. Step 3: Cross multiply
    444,893,400.80x = 667,340,101.20 × 253,790,424.80
  4. Step 4: Simplify right side
    444,893,400.80x = 169,364,527,769,623,008
  5. Step 5: Solve for x
    x = 169,364,527,769,623,008/444,893,400.80
  6. Step 6: Final answer
    x = 380,685,637.20

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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.