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Finding the Fourth Proportional to 351,562.73, 485,156.39 and 190,417.77

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Solution

The fourth proportional to 351,562.73, 485,156.39 and 190,417.77 is: 262,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,562.73 : 485,156.39 = 190,417.77 : x
  2. Step 2: Convert to fraction form
    351,562.73/485,156.39 = 190,417.77/x
  3. Step 3: Cross multiply
    351,562.73x = 485,156.39 × 190,417.77
  4. Step 4: Simplify right side
    351,562.73x = 92,382,396,932.96
  5. Step 5: Solve for x
    x = 92,382,396,932.96/351,562.73
  6. Step 6: Final answer
    x = 262,776.43

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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.