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Finding the Fourth Proportional to 468,824.82, 703,256.64 and 136,400.82

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Solution

The fourth proportional to 468,824.82, 703,256.64 and 136,400.82 is: 204,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,824.82 : 703,256.64 = 136,400.82 : x
  2. Step 2: Convert to fraction form
    468,824.82/703,256.64 = 136,400.82/x
  3. Step 3: Cross multiply
    468,824.82x = 703,256.64 × 136,400.82
  4. Step 4: Simplify right side
    468,824.82x = 95,924,782,366.44
  5. Step 5: Solve for x
    x = 95,924,782,366.44/468,824.82
  6. Step 6: Final answer
    x = 204,606.88

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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.