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Finding the Fourth Proportional to 351,345.89, 484,853.31 and 190,197.41

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Solution

The fourth proportional to 351,345.89, 484,853.31 and 190,197.41 is: 262,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,345.89 : 484,853.31 = 190,197.41 : x
  2. Step 2: Convert to fraction form
    351,345.89/484,853.31 = 190,197.41/x
  3. Step 3: Cross multiply
    351,345.89x = 484,853.31 × 190,197.41
  4. Step 4: Simplify right side
    351,345.89x = 92,217,841,367.66
  5. Step 5: Solve for x
    x = 92,217,841,367.66/351,345.89
  6. Step 6: Final answer
    x = 262,470.24

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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.