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Finding the Fourth Proportional to 370,653,766.01, 511,500,793.51 and 203,392,825.80

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Solution

The fourth proportional to 370,653,766.01, 511,500,793.51 and 203,392,825.80 is: 280,681,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,653,766.01 : 511,500,793.51 = 203,392,825.80 : x
  2. Step 2: Convert to fraction form
    370,653,766.01/511,500,793.51 = 203,392,825.80/x
  3. Step 3: Cross multiply
    370,653,766.01x = 511,500,793.51 × 203,392,825.80
  4. Step 4: Simplify right side
    370,653,766.01x = 104,035,591,790,941,200
  5. Step 5: Solve for x
    x = 104,035,591,790,941,200/370,653,766.01
  6. Step 6: Final answer
    x = 280,681,329.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.