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Finding the Fourth Proportional to 295,488,605.80, 443,232,908.70 and 279,616,234.60

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Solution

The fourth proportional to 295,488,605.80, 443,232,908.70 and 279,616,234.60 is: 419,424,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,488,605.80 : 443,232,908.70 = 279,616,234.60 : x
  2. Step 2: Convert to fraction form
    295,488,605.80/443,232,908.70 = 279,616,234.60/x
  3. Step 3: Cross multiply
    295,488,605.80x = 443,232,908.70 × 279,616,234.60
  4. Step 4: Simplify right side
    295,488,605.80x = 123,935,116,981,499,584
  5. Step 5: Solve for x
    x = 123,935,116,981,499,584/295,488,605.80
  6. Step 6: Final answer
    x = 419,424,351.90

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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.