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Finding the Fourth Proportional to 351,335.48, 484,842.41 and 190,190.48

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Solution

The fourth proportional to 351,335.48, 484,842.41 and 190,190.48 is: 262,462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,335.48 : 484,842.41 = 190,190.48 : x
  2. Step 2: Convert to fraction form
    351,335.48/484,842.41 = 190,190.48/x
  3. Step 3: Cross multiply
    351,335.48x = 484,842.41 × 190,190.48
  4. Step 4: Simplify right side
    351,335.48x = 92,212,410,747.55
  5. Step 5: Solve for x
    x = 92,212,410,747.55/351,335.48
  6. Step 6: Final answer
    x = 262,462.57

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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.