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Finding the Fourth Proportional to 363,956,891.80, 545,935,337.70 and 226,207,384.60

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Solution

The fourth proportional to 363,956,891.80, 545,935,337.70 and 226,207,384.60 is: 339,311,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,956,891.80 : 545,935,337.70 = 226,207,384.60 : x
  2. Step 2: Convert to fraction form
    363,956,891.80/545,935,337.70 = 226,207,384.60/x
  3. Step 3: Cross multiply
    363,956,891.80x = 545,935,337.70 × 226,207,384.60
  4. Step 4: Simplify right side
    363,956,891.80x = 123,494,604,901,834,784
  5. Step 5: Solve for x
    x = 123,494,604,901,834,784/363,956,891.80
  6. Step 6: Final answer
    x = 339,311,076.90

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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.