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Finding the Fourth Proportional to 269,875.80, 404,813.70 and 82,887.30

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Solution

The fourth proportional to 269,875.80, 404,813.70 and 82,887.30 is: 124,330.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,875.80 : 404,813.70 = 82,887.30 : x
  2. Step 2: Convert to fraction form
    269,875.80/404,813.70 = 82,887.30/x
  3. Step 3: Cross multiply
    269,875.80x = 404,813.70 × 82,887.30
  4. Step 4: Simplify right side
    269,875.80x = 33,553,914,596.01
  5. Step 5: Solve for x
    x = 33,553,914,596.01/269,875.80
  6. Step 6: Final answer
    x = 124,330.95

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1.5x scale

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.