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Finding the Fourth Proportional to 362,087.69, 542,257.34 and 181,605.51

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Solution

The fourth proportional to 362,087.69, 542,257.34 and 181,605.51 is: 271,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,087.69 : 542,257.34 = 181,605.51 : x
  2. Step 2: Convert to fraction form
    362,087.69/542,257.34 = 181,605.51/x
  3. Step 3: Cross multiply
    362,087.69x = 542,257.34 × 181,605.51
  4. Step 4: Simplify right side
    362,087.69x = 98,476,919,873.92
  5. Step 5: Solve for x
    x = 98,476,919,873.92/362,087.69
  6. Step 6: Final answer
    x = 271,969.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.