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Finding the Fourth Proportional to 363,876,251.40, 545,442,368.40 and 179,359,936.20

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Solution

The fourth proportional to 363,876,251.40, 545,442,368.40 and 179,359,936.20 is: 268,856,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,876,251.40 : 545,442,368.40 = 179,359,936.20 : x
  2. Step 2: Convert to fraction form
    363,876,251.40/545,442,368.40 = 179,359,936.20/x
  3. Step 3: Cross multiply
    363,876,251.40x = 545,442,368.40 × 179,359,936.20
  4. Step 4: Simplify right side
    363,876,251.40x = 97,830,508,397,000,880
  5. Step 5: Solve for x
    x = 97,830,508,397,000,880/363,876,251.40
  6. Step 6: Final answer
    x = 268,856,535.76

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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.