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Finding the Fourth Proportional to 494,937.92, 683,665.44 and 379,516.16

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Solution

The fourth proportional to 494,937.92, 683,665.44 and 379,516.16 is: 524,231.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,937.92 : 683,665.44 = 379,516.16 : x
  2. Step 2: Convert to fraction form
    494,937.92/683,665.44 = 379,516.16/x
  3. Step 3: Cross multiply
    494,937.92x = 683,665.44 × 379,516.16
  4. Step 4: Simplify right side
    494,937.92x = 259,462,082,513.51
  5. Step 5: Solve for x
    x = 259,462,082,513.51/494,937.92
  6. Step 6: Final answer
    x = 524,231.57

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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.