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Finding the Fourth Proportional to 448,443.45, 672,760.98 and 164,132.73

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Solution

The fourth proportional to 448,443.45, 672,760.98 and 164,132.73 is: 246,234.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,443.45 : 672,760.98 = 164,132.73 : x
  2. Step 2: Convert to fraction form
    448,443.45/672,760.98 = 164,132.73/x
  3. Step 3: Cross multiply
    448,443.45x = 672,760.98 × 164,132.73
  4. Step 4: Simplify right side
    448,443.45x = 110,422,096,284.88
  5. Step 5: Solve for x
    x = 110,422,096,284.88/448,443.45
  6. Step 6: Final answer
    x = 246,234.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.