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Finding the Fourth Proportional to 444,893,377.80, 667,340,066.70 and 253,790,401.80

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Solution

The fourth proportional to 444,893,377.80, 667,340,066.70 and 253,790,401.80 is: 380,685,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,893,377.80 : 667,340,066.70 = 253,790,401.80 : x
  2. Step 2: Convert to fraction form
    444,893,377.80/667,340,066.70 = 253,790,401.80/x
  3. Step 3: Cross multiply
    444,893,377.80x = 667,340,066.70 × 253,790,401.80
  4. Step 4: Simplify right side
    444,893,377.80x = 169,364,503,665,031,808
  5. Step 5: Solve for x
    x = 169,364,503,665,031,808/444,893,377.80
  6. Step 6: Final answer
    x = 380,685,602.70

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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.