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Finding the Fourth Proportional to 293,395,402.80, 440,093,104.20 and 262,784,401.20

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Solution

The fourth proportional to 293,395,402.80, 440,093,104.20 and 262,784,401.20 is: 394,176,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,395,402.80 : 440,093,104.20 = 262,784,401.20 : x
  2. Step 2: Convert to fraction form
    293,395,402.80/440,093,104.20 = 262,784,401.20/x
  3. Step 3: Cross multiply
    293,395,402.80x = 440,093,104.20 × 262,784,401.20
  4. Step 4: Simplify right side
    293,395,402.80x = 115,649,602,859,446,192
  5. Step 5: Solve for x
    x = 115,649,602,859,446,192/293,395,402.80
  6. Step 6: Final answer
    x = 394,176,601.80

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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.