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Finding the Fourth Proportional to 269,640.80, 404,266.80 and 151,348.40

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Solution

The fourth proportional to 269,640.80, 404,266.80 and 151,348.40 is: 226,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,640.80 : 404,266.80 = 151,348.40 : x
  2. Step 2: Convert to fraction form
    269,640.80/404,266.80 = 151,348.40/x
  3. Step 3: Cross multiply
    269,640.80x = 404,266.80 × 151,348.40
  4. Step 4: Simplify right side
    269,640.80x = 61,185,133,353.12
  5. Step 5: Solve for x
    x = 61,185,133,353.12/269,640.80
  6. Step 6: Final answer
    x = 226,913.48

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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.