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Finding the Fourth Proportional to 503,362.38, 694,640.19 and 277,007.88

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Solution

The fourth proportional to 503,362.38, 694,640.19 and 277,007.88 is: 382,270.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,362.38 : 694,640.19 = 277,007.88 : x
  2. Step 2: Convert to fraction form
    503,362.38/694,640.19 = 277,007.88/x
  3. Step 3: Cross multiply
    503,362.38x = 694,640.19 × 277,007.88
  4. Step 4: Simplify right side
    503,362.38x = 192,420,806,394.70
  5. Step 5: Solve for x
    x = 192,420,806,394.70/503,362.38
  6. Step 6: Final answer
    x = 382,270.93

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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.