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Finding the Fourth Proportional to 251,689,046.40, 376,895,840.40 and 200,670,710.40

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Solution

The fourth proportional to 251,689,046.40, 376,895,840.40 and 200,670,710.40 is: 300,497,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,689,046.40 : 376,895,840.40 = 200,670,710.40 : x
  2. Step 2: Convert to fraction form
    251,689,046.40/376,895,840.40 = 200,670,710.40/x
  3. Step 3: Cross multiply
    251,689,046.40x = 376,895,840.40 × 200,670,710.40
  4. Step 4: Simplify right side
    251,689,046.40x = 75,631,956,039,873,024
  5. Step 5: Solve for x
    x = 75,631,956,039,873,024/251,689,046.40
  6. Step 6: Final answer
    x = 300,497,606.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.