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Finding the Fourth Proportional to 509,672.44, 764,489.22 and 154,672.12

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Solution

The fourth proportional to 509,672.44, 764,489.22 and 154,672.12 is: 232,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,672.44 : 764,489.22 = 154,672.12 : x
  2. Step 2: Convert to fraction form
    509,672.44/764,489.22 = 154,672.12/x
  3. Step 3: Cross multiply
    509,672.44x = 764,489.22 × 154,672.12
  4. Step 4: Simplify right side
    509,672.44x = 118,245,168,374.55
  5. Step 5: Solve for x
    x = 118,245,168,374.55/509,672.44
  6. Step 6: Final answer
    x = 232,002.28

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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.