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Finding the Fourth Proportional to 503,527.86, 694,885.50 and 274,093.50

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Solution

The fourth proportional to 503,527.86, 694,885.50 and 274,093.50 is: 378,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,527.86 : 694,885.50 = 274,093.50 : x
  2. Step 2: Convert to fraction form
    503,527.86/694,885.50 = 274,093.50/x
  3. Step 3: Cross multiply
    503,527.86x = 694,885.50 × 274,093.50
  4. Step 4: Simplify right side
    503,527.86x = 190,463,598,794.25
  5. Step 5: Solve for x
    x = 190,463,598,794.25/503,527.86
  6. Step 6: Final answer
    x = 378,258.31

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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.