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Finding the Fourth Proportional to 503,836.34, 695,325.57 and 277,481.78

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Solution

The fourth proportional to 503,836.34, 695,325.57 and 277,481.78 is: 382,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,836.34 : 695,325.57 = 277,481.78 : x
  2. Step 2: Convert to fraction form
    503,836.34/695,325.57 = 277,481.78/x
  3. Step 3: Cross multiply
    503,836.34x = 695,325.57 × 277,481.78
  4. Step 4: Simplify right side
    503,836.34x = 192,940,176,843.12
  5. Step 5: Solve for x
    x = 192,940,176,843.12/503,836.34
  6. Step 6: Final answer
    x = 382,942.16

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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.