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Finding the Fourth Proportional to 481,687.10, 722,530.65 and 341,719.10

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Solution

The fourth proportional to 481,687.10, 722,530.65 and 341,719.10 is: 512,578.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,687.10 : 722,530.65 = 341,719.10 : x
  2. Step 2: Convert to fraction form
    481,687.10/722,530.65 = 341,719.10/x
  3. Step 3: Cross multiply
    481,687.10x = 722,530.65 × 341,719.10
  4. Step 4: Simplify right side
    481,687.10x = 246,902,523,440.42
  5. Step 5: Solve for x
    x = 246,902,523,440.42/481,687.10
  6. Step 6: Final answer
    x = 512,578.65

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Similar ratio
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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.