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Finding the Fourth Proportional to 250,561,469.92, 375,720,694.80 and 146,964,527.68

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Solution

The fourth proportional to 250,561,469.92, 375,720,694.80 and 146,964,527.68 is: 220,375,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,561,469.92 : 375,720,694.80 = 146,964,527.68 : x
  2. Step 2: Convert to fraction form
    250,561,469.92/375,720,694.80 = 146,964,527.68/x
  3. Step 3: Cross multiply
    250,561,469.92x = 375,720,694.80 × 146,964,527.68
  4. Step 4: Simplify right side
    250,561,469.92x = 55,217,614,450,883,440
  5. Step 5: Solve for x
    x = 55,217,614,450,883,440/250,561,469.92
  6. Step 6: Final answer
    x = 220,375,520.90

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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.