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Finding the Fourth Proportional to 324,679.23, 448,048.98 and 181,440.45

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Solution

The fourth proportional to 324,679.23, 448,048.98 and 181,440.45 is: 250,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,679.23 : 448,048.98 = 181,440.45 : x
  2. Step 2: Convert to fraction form
    324,679.23/448,048.98 = 181,440.45/x
  3. Step 3: Cross multiply
    324,679.23x = 448,048.98 × 181,440.45
  4. Step 4: Simplify right side
    324,679.23x = 81,294,208,553.24
  5. Step 5: Solve for x
    x = 81,294,208,553.24/324,679.23
  6. Step 6: Final answer
    x = 250,383.15

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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.