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Finding the Fourth Proportional to 325,145.26, 448,717.89 and 181,896.76

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Solution

The fourth proportional to 325,145.26, 448,717.89 and 181,896.76 is: 251,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,145.26 : 448,717.89 = 181,896.76 : x
  2. Step 2: Convert to fraction form
    325,145.26/448,717.89 = 181,896.76/x
  3. Step 3: Cross multiply
    325,145.26x = 448,717.89 × 181,896.76
  4. Step 4: Simplify right side
    325,145.26x = 81,620,330,345.04
  5. Step 5: Solve for x
    x = 81,620,330,345.04/325,145.26
  6. Step 6: Final answer
    x = 251,027.28

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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.