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Finding the Fourth Proportional to 317,311.50, 437,902.83 and 183,175.50

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Solution

The fourth proportional to 317,311.50, 437,902.83 and 183,175.50 is: 252,789.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,311.50 : 437,902.83 = 183,175.50 : x
  2. Step 2: Convert to fraction form
    317,311.50/437,902.83 = 183,175.50/x
  3. Step 3: Cross multiply
    317,311.50x = 437,902.83 × 183,175.50
  4. Step 4: Simplify right side
    317,311.50x = 80,213,069,836.67
  5. Step 5: Solve for x
    x = 80,213,069,836.67/317,311.50
  6. Step 6: Final answer
    x = 252,789.67

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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.