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Finding the Fourth Proportional to 324,649.16, 448,014.86 and 181,409.34

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Solution

The fourth proportional to 324,649.16, 448,014.86 and 181,409.34 is: 250,344.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,649.16 : 448,014.86 = 181,409.34 : x
  2. Step 2: Convert to fraction form
    324,649.16/448,014.86 = 181,409.34/x
  3. Step 3: Cross multiply
    324,649.16x = 448,014.86 × 181,409.34
  4. Step 4: Simplify right side
    324,649.16x = 81,274,080,062.79
  5. Step 5: Solve for x
    x = 81,274,080,062.79/324,649.16
  6. Step 6: Final answer
    x = 250,344.34

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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.