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Finding the Fourth Proportional to 590,593,500.80, 885,890,251.20 and 263,068,380.80

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Solution

The fourth proportional to 590,593,500.80, 885,890,251.20 and 263,068,380.80 is: 394,602,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,593,500.80 : 885,890,251.20 = 263,068,380.80 : x
  2. Step 2: Convert to fraction form
    590,593,500.80/885,890,251.20 = 263,068,380.80/x
  3. Step 3: Cross multiply
    590,593,500.80x = 885,890,251.20 × 263,068,380.80
  4. Step 4: Simplify right side
    590,593,500.80x = 233,049,713,949,689,280
  5. Step 5: Solve for x
    x = 233,049,713,949,689,280/590,593,500.80
  6. Step 6: Final answer
    x = 394,602,571.20

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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.