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Finding the Fourth Proportional to 271,361,531.20, 407,042,296.80 and 162,522,414.40

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Solution

The fourth proportional to 271,361,531.20, 407,042,296.80 and 162,522,414.40 is: 243,783,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,361,531.20 : 407,042,296.80 = 162,522,414.40 : x
  2. Step 2: Convert to fraction form
    271,361,531.20/407,042,296.80 = 162,522,414.40/x
  3. Step 3: Cross multiply
    271,361,531.20x = 407,042,296.80 × 162,522,414.40
  4. Step 4: Simplify right side
    271,361,531.20x = 66,153,496,838,857,400
  5. Step 5: Solve for x
    x = 66,153,496,838,857,400/271,361,531.20
  6. Step 6: Final answer
    x = 243,783,621.60

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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.