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Finding the Fourth Proportional to 352,083.48, 485,871.88 and 190,942.08

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Solution

The fourth proportional to 352,083.48, 485,871.88 and 190,942.08 is: 263,498.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,083.48 : 485,871.88 = 190,942.08 : x
  2. Step 2: Convert to fraction form
    352,083.48/485,871.88 = 190,942.08/x
  3. Step 3: Cross multiply
    352,083.48x = 485,871.88 × 190,942.08
  4. Step 4: Simplify right side
    352,083.48x = 92,773,387,380.71
  5. Step 5: Solve for x
    x = 92,773,387,380.71/352,083.48
  6. Step 6: Final answer
    x = 263,498.27

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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.