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Finding the Fourth Proportional to 363,934,247.20, 545,901,370.80 and 363,934,247.20

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Solution

The fourth proportional to 363,934,247.20, 545,901,370.80 and 363,934,247.20 is: 545,901,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,934,247.20 : 545,901,370.80 = 363,934,247.20 : x
  2. Step 2: Convert to fraction form
    363,934,247.20/545,901,370.80 = 363,934,247.20/x
  3. Step 3: Cross multiply
    363,934,247.20x = 545,901,370.80 × 363,934,247.20
  4. Step 4: Simplify right side
    363,934,247.20x = 198,672,204,427,546,048
  5. Step 5: Solve for x
    x = 198,672,204,427,546,048/363,934,247.20
  6. Step 6: Final answer
    x = 545,901,370.80

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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.