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Finding the Fourth Proportional to 613,236.98, 919,859.66 and 234,055.46

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Solution

The fourth proportional to 613,236.98, 919,859.66 and 234,055.46 is: 351,084.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,236.98 : 919,859.66 = 234,055.46 : x
  2. Step 2: Convert to fraction form
    613,236.98/919,859.66 = 234,055.46/x
  3. Step 3: Cross multiply
    613,236.98x = 919,859.66 × 234,055.46
  4. Step 4: Simplify right side
    613,236.98x = 215,298,175,856.74
  5. Step 5: Solve for x
    x = 215,298,175,856.74/613,236.98
  6. Step 6: Final answer
    x = 351,084.79

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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.