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Finding the Fourth Proportional to 351,340.44, 484,849.56 and 190,196.76

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Solution

The fourth proportional to 351,340.44, 484,849.56 and 190,196.76 is: 262,471.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,340.44 : 484,849.56 = 190,196.76 : x
  2. Step 2: Convert to fraction form
    351,340.44/484,849.56 = 190,196.76/x
  3. Step 3: Cross multiply
    351,340.44x = 484,849.56 × 190,196.76
  4. Step 4: Simplify right side
    351,340.44x = 92,216,815,399.43
  5. Step 5: Solve for x
    x = 92,216,815,399.43/351,340.44
  6. Step 6: Final answer
    x = 262,471.39

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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.