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Finding the Fourth Proportional to 229,888,624.80, 344,832,937.20 and 204,946,327.20

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Solution

The fourth proportional to 229,888,624.80, 344,832,937.20 and 204,946,327.20 is: 307,419,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,888,624.80 : 344,832,937.20 = 204,946,327.20 : x
  2. Step 2: Convert to fraction form
    229,888,624.80/344,832,937.20 = 204,946,327.20/x
  3. Step 3: Cross multiply
    229,888,624.80x = 344,832,937.20 × 204,946,327.20
  4. Step 4: Simplify right side
    229,888,624.80x = 70,672,243,976,728,248
  5. Step 5: Solve for x
    x = 70,672,243,976,728,248/229,888,624.80
  6. Step 6: Final answer
    x = 307,419,490.80

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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.