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Finding the Fourth Proportional to 503,353.38, 694,627.77 and 276,998.88

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Solution

The fourth proportional to 503,353.38, 694,627.77 and 276,998.88 is: 382,258.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,353.38 : 694,627.77 = 276,998.88 : x
  2. Step 2: Convert to fraction form
    503,353.38/694,627.77 = 276,998.88/x
  3. Step 3: Cross multiply
    503,353.38x = 694,627.77 × 276,998.88
  4. Step 4: Simplify right side
    503,353.38x = 192,411,114,306.90
  5. Step 5: Solve for x
    x = 192,411,114,306.90/503,353.38
  6. Step 6: Final answer
    x = 382,258.51

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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.