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Finding the Fourth Proportional to 324,402.16, 447,681.69 and 181,162.33

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Solution

The fourth proportional to 324,402.16, 447,681.69 and 181,162.33 is: 250,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,402.16 : 447,681.69 = 181,162.33 : x
  2. Step 2: Convert to fraction form
    324,402.16/447,681.69 = 181,162.33/x
  3. Step 3: Cross multiply
    324,402.16x = 447,681.69 × 181,162.33
  4. Step 4: Simplify right side
    324,402.16x = 81,103,058,058.74
  5. Step 5: Solve for x
    x = 81,103,058,058.74/324,402.16
  6. Step 6: Final answer
    x = 250,007.76

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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.