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Finding the Fourth Proportional to 492,361,627.80, 738,542,441.70 and 237,557,659.80

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Solution

The fourth proportional to 492,361,627.80, 738,542,441.70 and 237,557,659.80 is: 356,336,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,361,627.80 : 738,542,441.70 = 237,557,659.80 : x
  2. Step 2: Convert to fraction form
    492,361,627.80/738,542,441.70 = 237,557,659.80/x
  3. Step 3: Cross multiply
    492,361,627.80x = 738,542,441.70 × 237,557,659.80
  4. Step 4: Simplify right side
    492,361,627.80x = 175,446,414,113,229,952
  5. Step 5: Solve for x
    x = 175,446,414,113,229,952/492,361,627.80
  6. Step 6: Final answer
    x = 356,336,489.70

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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.