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Finding the Fourth Proportional to 323,153.07, 445,968.90 and 179,909.97

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Solution

The fourth proportional to 323,153.07, 445,968.90 and 179,909.97 is: 248,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,153.07 : 445,968.90 = 179,909.97 : x
  2. Step 2: Convert to fraction form
    323,153.07/445,968.90 = 179,909.97/x
  3. Step 3: Cross multiply
    323,153.07x = 445,968.90 × 179,909.97
  4. Step 4: Simplify right side
    323,153.07x = 80,234,251,419.93
  5. Step 5: Solve for x
    x = 80,234,251,419.93/323,153.07
  6. Step 6: Final answer
    x = 248,285.59

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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.