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Finding the Fourth Proportional to 413,573,195.70, 620,359,793.55 and 368,374,138.65

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Solution

The fourth proportional to 413,573,195.70, 620,359,793.55 and 368,374,138.65 is: 552,561,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,573,195.70 : 620,359,793.55 = 368,374,138.65 : x
  2. Step 2: Convert to fraction form
    413,573,195.70/620,359,793.55 = 368,374,138.65/x
  3. Step 3: Cross multiply
    413,573,195.70x = 620,359,793.55 × 368,374,138.65
  4. Step 4: Simplify right side
    413,573,195.70x = 228,524,504,602,073,056
  5. Step 5: Solve for x
    x = 228,524,504,602,073,056/413,573,195.70
  6. Step 6: Final answer
    x = 552,561,207.98

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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.