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Finding the Fourth Proportional to 377,309.30, 565,843.62 and 124,542.86

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Solution

The fourth proportional to 377,309.30, 565,843.62 and 124,542.86 is: 186,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,309.30 : 565,843.62 = 124,542.86 : x
  2. Step 2: Convert to fraction form
    377,309.30/565,843.62 = 124,542.86/x
  3. Step 3: Cross multiply
    377,309.30x = 565,843.62 × 124,542.86
  4. Step 4: Simplify right side
    377,309.30x = 70,471,782,747.55
  5. Step 5: Solve for x
    x = 70,471,782,747.55/377,309.30
  6. Step 6: Final answer
    x = 186,774.57

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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.