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Finding the Fourth Proportional to 273,311.10, 377,169.87 and 152,449.28

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Solution

The fourth proportional to 273,311.10, 377,169.87 and 152,449.28 is: 210,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,311.10 : 377,169.87 = 152,449.28 : x
  2. Step 2: Convert to fraction form
    273,311.10/377,169.87 = 152,449.28/x
  3. Step 3: Cross multiply
    273,311.10x = 377,169.87 × 152,449.28
  4. Step 4: Simplify right side
    273,311.10x = 57,499,273,233.34
  5. Step 5: Solve for x
    x = 57,499,273,233.34/273,311.10
  6. Step 6: Final answer
    x = 210,380.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.