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Finding the Fourth Proportional to 322,607, 445,197.66 and 181,295

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Solution

The fourth proportional to 322,607, 445,197.66 and 181,295 is: 250,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,607 : 445,197.66 = 181,295 : x
  2. Step 2: Convert to fraction form
    322,607/445,197.66 = 181,295/x
  3. Step 3: Cross multiply
    322,607x = 445,197.66 × 181,295
  4. Step 4: Simplify right side
    322,607x = 80,712,109,769.70
  5. Step 5: Solve for x
    x = 80,712,109,769.70/322,607
  6. Step 6: Final answer
    x = 250,187.10

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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.