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Finding the Fourth Proportional to 322,663.94, 445,276.62 and 179,420.92

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Solution

The fourth proportional to 322,663.94, 445,276.62 and 179,420.92 is: 247,601.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,663.94 : 445,276.62 = 179,420.92 : x
  2. Step 2: Convert to fraction form
    322,663.94/445,276.62 = 179,420.92/x
  3. Step 3: Cross multiply
    322,663.94x = 445,276.62 × 179,420.92
  4. Step 4: Simplify right side
    322,663.94x = 79,891,940,814.89
  5. Step 5: Solve for x
    x = 79,891,940,814.89/322,663.94
  6. Step 6: Final answer
    x = 247,601.08

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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.