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Finding the Fourth Proportional to 493,702.75, 740,556.56 and 119,725.75

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Solution

The fourth proportional to 493,702.75, 740,556.56 and 119,725.75 is: 179,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,702.75 : 740,556.56 = 119,725.75 : x
  2. Step 2: Convert to fraction form
    493,702.75/740,556.56 = 119,725.75/x
  3. Step 3: Cross multiply
    493,702.75x = 740,556.56 × 119,725.75
  4. Step 4: Simplify right side
    493,702.75x = 88,663,689,563.42
  5. Step 5: Solve for x
    x = 88,663,689,563.42/493,702.75
  6. Step 6: Final answer
    x = 179,589.22

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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.