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Finding the Fourth Proportional to 493,233.81, 739,872.24 and 156,299.29

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Solution

The fourth proportional to 493,233.81, 739,872.24 and 156,299.29 is: 234,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,233.81 : 739,872.24 = 156,299.29 : x
  2. Step 2: Convert to fraction form
    493,233.81/739,872.24 = 156,299.29/x
  3. Step 3: Cross multiply
    493,233.81x = 739,872.24 × 156,299.29
  4. Step 4: Simplify right side
    493,233.81x = 115,641,505,802.71
  5. Step 5: Solve for x
    x = 115,641,505,802.71/493,233.81
  6. Step 6: Final answer
    x = 234,455.76

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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.