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Finding the Fourth Proportional to 329,508,205.80, 494,262,308.70 and 252,980,701.80

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Solution

The fourth proportional to 329,508,205.80, 494,262,308.70 and 252,980,701.80 is: 379,471,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,508,205.80 : 494,262,308.70 = 252,980,701.80 : x
  2. Step 2: Convert to fraction form
    329,508,205.80/494,262,308.70 = 252,980,701.80/x
  3. Step 3: Cross multiply
    329,508,205.80x = 494,262,308.70 × 252,980,701.80
  4. Step 4: Simplify right side
    329,508,205.80x = 125,038,825,728,214,256
  5. Step 5: Solve for x
    x = 125,038,825,728,214,256/329,508,205.80
  6. Step 6: Final answer
    x = 379,471,052.70

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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.