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Finding the Fourth Proportional to 322,964, 445,690.32 and 181,652

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Solution

The fourth proportional to 322,964, 445,690.32 and 181,652 is: 250,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,964 : 445,690.32 = 181,652 : x
  2. Step 2: Convert to fraction form
    322,964/445,690.32 = 181,652/x
  3. Step 3: Cross multiply
    322,964x = 445,690.32 × 181,652
  4. Step 4: Simplify right side
    322,964x = 80,960,538,008.64
  5. Step 5: Solve for x
    x = 80,960,538,008.64/322,964
  6. Step 6: Final answer
    x = 250,679.76

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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.