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Finding the Fourth Proportional to 667,672.14, 1,001,509.46 and 162,233.54

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Solution

The fourth proportional to 667,672.14, 1,001,509.46 and 162,233.54 is: 243,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,672.14 : 1,001,509.46 = 162,233.54 : x
  2. Step 2: Convert to fraction form
    667,672.14/1,001,509.46 = 162,233.54/x
  3. Step 3: Cross multiply
    667,672.14x = 1,001,509.46 × 162,233.54
  4. Step 4: Simplify right side
    667,672.14x = 162,478,430,130.66
  5. Step 5: Solve for x
    x = 162,478,430,130.66/667,672.14
  6. Step 6: Final answer
    x = 243,350.62

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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.