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Finding the Fourth Proportional to 381,302.80, 525,979.24 and 237,813.73

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Solution

The fourth proportional to 381,302.80, 525,979.24 and 237,813.73 is: 328,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,302.80 : 525,979.24 = 237,813.73 : x
  2. Step 2: Convert to fraction form
    381,302.80/525,979.24 = 237,813.73/x
  3. Step 3: Cross multiply
    381,302.80x = 525,979.24 × 237,813.73
  4. Step 4: Simplify right side
    381,302.80x = 125,085,084,966.97
  5. Step 5: Solve for x
    x = 125,085,084,966.97/381,302.80
  6. Step 6: Final answer
    x = 328,046.59

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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.