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Finding the Fourth Proportional to 276,053,648.70, 413,728,803.45 and 146,723,216.70

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Solution

The fourth proportional to 276,053,648.70, 413,728,803.45 and 146,723,216.70 is: 219,897,911.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,053,648.70 : 413,728,803.45 = 146,723,216.70 : x
  2. Step 2: Convert to fraction form
    276,053,648.70/413,728,803.45 = 146,723,216.70/x
  3. Step 3: Cross multiply
    276,053,648.70x = 413,728,803.45 × 146,723,216.70
  4. Step 4: Simplify right side
    276,053,648.70x = 60,703,620,883,626,048
  5. Step 5: Solve for x
    x = 60,703,620,883,626,048/276,053,648.70
  6. Step 6: Final answer
    x = 219,897,911.76

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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.