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Finding the Fourth Proportional to 360,555,846.60, 541,400,640.30 and 207,500,838.60

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Solution

The fourth proportional to 360,555,846.60, 541,400,640.30 and 207,500,838.60 is: 311,577,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,555,846.60 : 541,400,640.30 = 207,500,838.60 : x
  2. Step 2: Convert to fraction form
    360,555,846.60/541,400,640.30 = 207,500,838.60/x
  3. Step 3: Cross multiply
    360,555,846.60x = 541,400,640.30 × 207,500,838.60
  4. Step 4: Simplify right side
    360,555,846.60x = 112,341,086,880,826,944
  5. Step 5: Solve for x
    x = 112,341,086,880,826,944/360,555,846.60
  6. Step 6: Final answer
    x = 311,577,493.31

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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.