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Finding the Fourth Proportional to 324,654.43, 448,014.51 and 181,415.65

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Solution

The fourth proportional to 324,654.43, 448,014.51 and 181,415.65 is: 250,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,654.43 : 448,014.51 = 181,415.65 : x
  2. Step 2: Convert to fraction form
    324,654.43/448,014.51 = 181,415.65/x
  3. Step 3: Cross multiply
    324,654.43x = 448,014.51 × 181,415.65
  4. Step 4: Simplify right side
    324,654.43x = 81,276,843,541.08
  5. Step 5: Solve for x
    x = 81,276,843,541.08/324,654.43
  6. Step 6: Final answer
    x = 250,348.79

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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.