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Finding the Fourth Proportional to 377,611.08, 566,515.32 and 140,955.80

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Solution

The fourth proportional to 377,611.08, 566,515.32 and 140,955.80 is: 211,470.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,611.08 : 566,515.32 = 140,955.80 : x
  2. Step 2: Convert to fraction form
    377,611.08/566,515.32 = 140,955.80/x
  3. Step 3: Cross multiply
    377,611.08x = 566,515.32 × 140,955.80
  4. Step 4: Simplify right side
    377,611.08x = 79,853,620,142.86
  5. Step 5: Solve for x
    x = 79,853,620,142.86/377,611.08
  6. Step 6: Final answer
    x = 211,470.54

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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.