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Finding the Fourth Proportional to 324,663.66, 448,027.38 and 181,424.34

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Solution

The fourth proportional to 324,663.66, 448,027.38 and 181,424.34 is: 250,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,663.66 : 448,027.38 = 181,424.34 : x
  2. Step 2: Convert to fraction form
    324,663.66/448,027.38 = 181,424.34/x
  3. Step 3: Cross multiply
    324,663.66x = 448,027.38 × 181,424.34
  4. Step 4: Simplify right side
    324,663.66x = 81,283,071,718.43
  5. Step 5: Solve for x
    x = 81,283,071,718.43/324,663.66
  6. Step 6: Final answer
    x = 250,360.86

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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.