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Finding the Fourth Proportional to 324,534.72, 447,841.92 and 181,266.24

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Solution

The fourth proportional to 324,534.72, 447,841.92 and 181,266.24 is: 250,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,534.72 : 447,841.92 = 181,266.24 : x
  2. Step 2: Convert to fraction form
    324,534.72/447,841.92 = 181,266.24/x
  3. Step 3: Cross multiply
    324,534.72x = 447,841.92 × 181,266.24
  4. Step 4: Simplify right side
    324,534.72x = 81,178,620,952.78
  5. Step 5: Solve for x
    x = 81,178,620,952.78/324,534.72
  6. Step 6: Final answer
    x = 250,138.48

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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.