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Finding the Fourth Proportional to 503,389.40, 694,677.46 and 277,034.92

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Solution

The fourth proportional to 503,389.40, 694,677.46 and 277,034.92 is: 382,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,389.40 : 694,677.46 = 277,034.92 : x
  2. Step 2: Convert to fraction form
    503,389.40/694,677.46 = 277,034.92/x
  3. Step 3: Cross multiply
    503,389.40x = 694,677.46 × 277,034.92
  4. Step 4: Simplify right side
    503,389.40x = 192,449,914,556.90
  5. Step 5: Solve for x
    x = 192,449,914,556.90/503,389.40
  6. Step 6: Final answer
    x = 382,308.24

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Double scale
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Similar ratio
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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.