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Finding the Fourth Proportional to 302,855.46, 417,934.79 and 166,901.97

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Solution

The fourth proportional to 302,855.46, 417,934.79 and 166,901.97 is: 230,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,855.46 : 417,934.79 = 166,901.97 : x
  2. Step 2: Convert to fraction form
    302,855.46/417,934.79 = 166,901.97/x
  3. Step 3: Cross multiply
    302,855.46x = 417,934.79 × 166,901.97
  4. Step 4: Simplify right side
    302,855.46x = 69,754,138,790.28
  5. Step 5: Solve for x
    x = 69,754,138,790.28/302,855.46
  6. Step 6: Final answer
    x = 230,321.55

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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.