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Finding the Fourth Proportional to 621,792.45, 930,757.98 and 336,775.11

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Solution

The fourth proportional to 621,792.45, 930,757.98 and 336,775.11 is: 504,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,792.45 : 930,757.98 = 336,775.11 : x
  2. Step 2: Convert to fraction form
    621,792.45/930,757.98 = 336,775.11/x
  3. Step 3: Cross multiply
    621,792.45x = 930,757.98 × 336,775.11
  4. Step 4: Simplify right side
    621,792.45x = 313,456,121,097.88
  5. Step 5: Solve for x
    x = 313,456,121,097.88/621,792.45
  6. Step 6: Final answer
    x = 504,116.96

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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.