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Finding the Fourth Proportional to 509,659.14, 764,493.30 and 154,673.22

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Solution

The fourth proportional to 509,659.14, 764,493.30 and 154,673.22 is: 232,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,659.14 : 764,493.30 = 154,673.22 : x
  2. Step 2: Convert to fraction form
    509,659.14/764,493.30 = 154,673.22/x
  3. Step 3: Cross multiply
    509,659.14x = 764,493.30 × 154,673.22
  4. Step 4: Simplify right side
    509,659.14x = 118,246,640,379.43
  5. Step 5: Solve for x
    x = 118,246,640,379.43/509,659.14
  6. Step 6: Final answer
    x = 232,011.22

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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.