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Finding the Fourth Proportional to 377,357.32, 565,773.54 and 140,636.44

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Solution

The fourth proportional to 377,357.32, 565,773.54 and 140,636.44 is: 210,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,357.32 : 565,773.54 = 140,636.44 : x
  2. Step 2: Convert to fraction form
    377,357.32/565,773.54 = 140,636.44/x
  3. Step 3: Cross multiply
    377,357.32x = 565,773.54 × 140,636.44
  4. Step 4: Simplify right side
    377,357.32x = 79,568,376,511.80
  5. Step 5: Solve for x
    x = 79,568,376,511.80/377,357.32
  6. Step 6: Final answer
    x = 210,856.85

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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.