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Finding the Fourth Proportional to 322,606.50, 445,196.97 and 181,294.50

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Solution

The fourth proportional to 322,606.50, 445,196.97 and 181,294.50 is: 250,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,606.50 : 445,196.97 = 181,294.50 : x
  2. Step 2: Convert to fraction form
    322,606.50/445,196.97 = 181,294.50/x
  3. Step 3: Cross multiply
    322,606.50x = 445,196.97 × 181,294.50
  4. Step 4: Simplify right side
    322,606.50x = 80,711,762,077.67
  5. Step 5: Solve for x
    x = 80,711,762,077.67/322,606.50
  6. Step 6: Final answer
    x = 250,186.41

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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.