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Finding the Fourth Proportional to 271,867,332.80, 407,800,999.20 and 195,906,699.20

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Solution

The fourth proportional to 271,867,332.80, 407,800,999.20 and 195,906,699.20 is: 293,860,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,867,332.80 : 407,800,999.20 = 195,906,699.20 : x
  2. Step 2: Convert to fraction form
    271,867,332.80/407,800,999.20 = 195,906,699.20/x
  3. Step 3: Cross multiply
    271,867,332.80x = 407,800,999.20 × 195,906,699.20
  4. Step 4: Simplify right side
    271,867,332.80x = 79,890,947,683,733,840
  5. Step 5: Solve for x
    x = 79,890,947,683,733,840/271,867,332.80
  6. Step 6: Final answer
    x = 293,860,048.80

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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.