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Finding the Fourth Proportional to 262,998.40, 362,950.40 and 160,991.36

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Solution

The fourth proportional to 262,998.40, 362,950.40 and 160,991.36 is: 222,175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,998.40 : 362,950.40 = 160,991.36 : x
  2. Step 2: Convert to fraction form
    262,998.40/362,950.40 = 160,991.36/x
  3. Step 3: Cross multiply
    262,998.40x = 362,950.40 × 160,991.36
  4. Step 4: Simplify right side
    262,998.40x = 58,431,878,508.54
  5. Step 5: Solve for x
    x = 58,431,878,508.54/262,998.40
  6. Step 6: Final answer
    x = 222,175.79

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1.5x scale

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.