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Finding the Fourth Proportional to 328,078.21, 452,747.93 and 177,175.21

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Solution

The fourth proportional to 328,078.21, 452,747.93 and 177,175.21 is: 244,501.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,078.21 : 452,747.93 = 177,175.21 : x
  2. Step 2: Convert to fraction form
    328,078.21/452,747.93 = 177,175.21/x
  3. Step 3: Cross multiply
    328,078.21x = 452,747.93 × 177,175.21
  4. Step 4: Simplify right side
    328,078.21x = 80,215,708,885.88
  5. Step 5: Solve for x
    x = 80,215,708,885.88/328,078.21
  6. Step 6: Final answer
    x = 244,501.79

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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.