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Finding the Fourth Proportional to 415,326.66, 622,960.84 and 237,275.70

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Solution

The fourth proportional to 415,326.66, 622,960.84 and 237,275.70 is: 355,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,326.66 : 622,960.84 = 237,275.70 : x
  2. Step 2: Convert to fraction form
    415,326.66/622,960.84 = 237,275.70/x
  3. Step 3: Cross multiply
    415,326.66x = 622,960.84 × 237,275.70
  4. Step 4: Simplify right side
    415,326.66x = 147,813,469,383.59
  5. Step 5: Solve for x
    x = 147,813,469,383.59/415,326.66
  6. Step 6: Final answer
    x = 355,896.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.