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Finding the Fourth Proportional to 481,818, 722,446.86 and 182,321.70

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Solution

The fourth proportional to 481,818, 722,446.86 and 182,321.70 is: 273,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,818 : 722,446.86 = 182,321.70 : x
  2. Step 2: Convert to fraction form
    481,818/722,446.86 = 182,321.70/x
  3. Step 3: Cross multiply
    481,818x = 722,446.86 × 182,321.70
  4. Step 4: Simplify right side
    481,818x = 131,717,739,674.86
  5. Step 5: Solve for x
    x = 131,717,739,674.86/481,818
  6. Step 6: Final answer
    x = 273,376.54

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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.