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Finding the Fourth Proportional to 324,676.56, 448,045.38 and 181,437.78

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Solution

The fourth proportional to 324,676.56, 448,045.38 and 181,437.78 is: 250,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,676.56 : 448,045.38 = 181,437.78 : x
  2. Step 2: Convert to fraction form
    324,676.56/448,045.38 = 181,437.78/x
  3. Step 3: Cross multiply
    324,676.56x = 448,045.38 × 181,437.78
  4. Step 4: Simplify right side
    324,676.56x = 81,292,359,086.46
  5. Step 5: Solve for x
    x = 81,292,359,086.46/324,676.56
  6. Step 6: Final answer
    x = 250,379.51

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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.