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Finding the Fourth Proportional to 351,387.43, 484,914.86 and 190,242.52

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Solution

The fourth proportional to 351,387.43, 484,914.86 and 190,242.52 is: 262,534.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,387.43 : 484,914.86 = 190,242.52 : x
  2. Step 2: Convert to fraction form
    351,387.43/484,914.86 = 190,242.52/x
  3. Step 3: Cross multiply
    351,387.43x = 484,914.86 × 190,242.52
  4. Step 4: Simplify right side
    351,387.43x = 92,251,424,951.85
  5. Step 5: Solve for x
    x = 92,251,424,951.85/351,387.43
  6. Step 6: Final answer
    x = 262,534.79

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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.