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Finding the Fourth Proportional to 324,632.61, 447,995.25 and 181,398.69

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Solution

The fourth proportional to 324,632.61, 447,995.25 and 181,398.69 is: 250,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,632.61 : 447,995.25 = 181,398.69 : x
  2. Step 2: Convert to fraction form
    324,632.61/447,995.25 = 181,398.69/x
  3. Step 3: Cross multiply
    324,632.61x = 447,995.25 × 181,398.69
  4. Step 4: Simplify right side
    324,632.61x = 81,265,751,476.22
  5. Step 5: Solve for x
    x = 81,265,751,476.22/324,632.61
  6. Step 6: Final answer
    x = 250,331.45

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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.