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Finding the Fourth Proportional to 503,414.88, 694,717.44 and 277,065.60

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Solution

The fourth proportional to 503,414.88, 694,717.44 and 277,065.60 is: 382,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,414.88 : 694,717.44 = 277,065.60 : x
  2. Step 2: Convert to fraction form
    503,414.88/694,717.44 = 277,065.60/x
  3. Step 3: Cross multiply
    503,414.88x = 694,717.44 × 277,065.60
  4. Step 4: Simplify right side
    503,414.88x = 192,482,304,344.06
  5. Step 5: Solve for x
    x = 192,482,304,344.06/503,414.88
  6. Step 6: Final answer
    x = 382,353.23

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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.