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Finding the Fourth Proportional to 363,876,245.40, 545,442,359.40 and 179,359,930.20

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Solution

The fourth proportional to 363,876,245.40, 545,442,359.40 and 179,359,930.20 is: 268,856,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,876,245.40 : 545,442,359.40 = 179,359,930.20 : x
  2. Step 2: Convert to fraction form
    363,876,245.40/545,442,359.40 = 179,359,930.20/x
  3. Step 3: Cross multiply
    363,876,245.40x = 545,442,359.40 × 179,359,930.20
  4. Step 4: Simplify right side
    363,876,245.40x = 97,830,503,510,107,296
  5. Step 5: Solve for x
    x = 97,830,503,510,107,296/363,876,245.40
  6. Step 6: Final answer
    x = 268,856,526.76

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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.