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Finding the Fourth Proportional to 504,611.70, 756,917.55 and 204,992.70

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Solution

The fourth proportional to 504,611.70, 756,917.55 and 204,992.70 is: 307,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,611.70 : 756,917.55 = 204,992.70 : x
  2. Step 2: Convert to fraction form
    504,611.70/756,917.55 = 204,992.70/x
  3. Step 3: Cross multiply
    504,611.70x = 756,917.55 × 204,992.70
  4. Step 4: Simplify right side
    504,611.70x = 155,162,572,251.89
  5. Step 5: Solve for x
    x = 155,162,572,251.89/504,611.70
  6. Step 6: Final answer
    x = 307,489.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.