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Finding the Fourth Proportional to 503,611.43, 694,961.11 and 274,162.83

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Solution

The fourth proportional to 503,611.43, 694,961.11 and 274,162.83 is: 378,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,611.43 : 694,961.11 = 274,162.83 : x
  2. Step 2: Convert to fraction form
    503,611.43/694,961.11 = 274,162.83/x
  3. Step 3: Cross multiply
    503,611.43x = 694,961.11 × 274,162.83
  4. Step 4: Simplify right side
    503,611.43x = 190,532,506,599.18
  5. Step 5: Solve for x
    x = 190,532,506,599.18/503,611.43
  6. Step 6: Final answer
    x = 378,332.38

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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.