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Finding the Fourth Proportional to 487,524,563.64, 731,278,375.56 and 196,384,244.04

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Solution

The fourth proportional to 487,524,563.64, 731,278,375.56 and 196,384,244.04 is: 294,572,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,524,563.64 : 731,278,375.56 = 196,384,244.04 : x
  2. Step 2: Convert to fraction form
    487,524,563.64/731,278,375.56 = 196,384,244.04/x
  3. Step 3: Cross multiply
    487,524,563.64x = 731,278,375.56 × 196,384,244.04
  4. Step 4: Simplify right side
    487,524,563.64x = 143,611,550,967,149,792
  5. Step 5: Solve for x
    x = 143,611,550,967,149,792/487,524,563.64
  6. Step 6: Final answer
    x = 294,572,954.22

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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.