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Finding the Fourth Proportional to 322,177.61, 444,400.86 and 197,944.17

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Solution

The fourth proportional to 322,177.61, 444,400.86 and 197,944.17 is: 273,037.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,177.61 : 444,400.86 = 197,944.17 : x
  2. Step 2: Convert to fraction form
    322,177.61/444,400.86 = 197,944.17/x
  3. Step 3: Cross multiply
    322,177.61x = 444,400.86 × 197,944.17
  4. Step 4: Simplify right side
    322,177.61x = 87,966,558,455.77
  5. Step 5: Solve for x
    x = 87,966,558,455.77/322,177.61
  6. Step 6: Final answer
    x = 273,037.46

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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.