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Finding the Fourth Proportional to 424,736.16, 637,399.33 and 274,604.07

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Solution

The fourth proportional to 424,736.16, 637,399.33 and 274,604.07 is: 412,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,736.16 : 637,399.33 = 274,604.07 : x
  2. Step 2: Convert to fraction form
    424,736.16/637,399.33 = 274,604.07/x
  3. Step 3: Cross multiply
    424,736.16x = 637,399.33 × 274,604.07
  4. Step 4: Simplify right side
    424,736.16x = 175,032,451,937.01
  5. Step 5: Solve for x
    x = 175,032,451,937.01/424,736.16
  6. Step 6: Final answer
    x = 412,096.90

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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.