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Finding the Fourth Proportional to 351,346.66, 484,858.56 and 190,201.70

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Solution

The fourth proportional to 351,346.66, 484,858.56 and 190,201.70 is: 262,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,346.66 : 484,858.56 = 190,201.70 : x
  2. Step 2: Convert to fraction form
    351,346.66/484,858.56 = 190,201.70/x
  3. Step 3: Cross multiply
    351,346.66x = 484,858.56 × 190,201.70
  4. Step 4: Simplify right side
    351,346.66x = 92,220,923,227.07
  5. Step 5: Solve for x
    x = 92,220,923,227.07/351,346.66
  6. Step 6: Final answer
    x = 262,478.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.