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Finding the Fourth Proportional to 269,086,809.30, 376,976,624.70 and 269,086,809.30

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Solution

The fourth proportional to 269,086,809.30, 376,976,624.70 and 269,086,809.30 is: 376,976,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,086,809.30 : 376,976,624.70 = 269,086,809.30 : x
  2. Step 2: Convert to fraction form
    269,086,809.30/376,976,624.70 = 269,086,809.30/x
  3. Step 3: Cross multiply
    269,086,809.30x = 376,976,624.70 × 269,086,809.30
  4. Step 4: Simplify right side
    269,086,809.30x = 101,439,437,121,206,576
  5. Step 5: Solve for x
    x = 101,439,437,121,206,576/269,086,809.30
  6. Step 6: Final answer
    x = 376,976,624.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.