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Finding the Fourth Proportional to 471,518,754.09, 645,982,997.72 and 453,846,337.56

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Solution

The fourth proportional to 471,518,754.09, 645,982,997.72 and 453,846,337.56 is: 621,771,700.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,518,754.09 : 645,982,997.72 = 453,846,337.56 : x
  2. Step 2: Convert to fraction form
    471,518,754.09/645,982,997.72 = 453,846,337.56/x
  3. Step 3: Cross multiply
    471,518,754.09x = 645,982,997.72 × 453,846,337.56
  4. Step 4: Simplify right side
    471,518,754.09x = 293,177,017,639,611,136
  5. Step 5: Solve for x
    x = 293,177,017,639,611,136/471,518,754.09
  6. Step 6: Final answer
    x = 621,771,700.69

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.