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Finding the Fourth Proportional to 354,894,761.06, 531,866,298.83 and 276,206,288.76

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Solution

The fourth proportional to 354,894,761.06, 531,866,298.83 and 276,206,288.76 is: 413,939,095.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,894,761.06 : 531,866,298.83 = 276,206,288.76 : x
  2. Step 2: Convert to fraction form
    354,894,761.06/531,866,298.83 = 276,206,288.76/x
  3. Step 3: Cross multiply
    354,894,761.06x = 531,866,298.83 × 276,206,288.76
  4. Step 4: Simplify right side
    354,894,761.06x = 146,904,816,517,079,456
  5. Step 5: Solve for x
    x = 146,904,816,517,079,456/354,894,761.06
  6. Step 6: Final answer
    x = 413,939,095.86

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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.