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Finding the Fourth Proportional to 493,876.56, 740,737.62 and 156,872.85

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Solution

The fourth proportional to 493,876.56, 740,737.62 and 156,872.85 is: 235,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,876.56 : 740,737.62 = 156,872.85 : x
  2. Step 2: Convert to fraction form
    493,876.56/740,737.62 = 156,872.85/x
  3. Step 3: Cross multiply
    493,876.56x = 740,737.62 × 156,872.85
  4. Step 4: Simplify right side
    493,876.56x = 116,201,621,551.62
  5. Step 5: Solve for x
    x = 116,201,621,551.62/493,876.56
  6. Step 6: Final answer
    x = 235,284.75

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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.