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Finding the Fourth Proportional to 494,186.38, 681,916.26 and 350,894.14

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Solution

The fourth proportional to 494,186.38, 681,916.26 and 350,894.14 is: 484,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,186.38 : 681,916.26 = 350,894.14 : x
  2. Step 2: Convert to fraction form
    494,186.38/681,916.26 = 350,894.14/x
  3. Step 3: Cross multiply
    494,186.38x = 681,916.26 × 350,894.14
  4. Step 4: Simplify right side
    494,186.38x = 239,280,419,604.72
  5. Step 5: Solve for x
    x = 239,280,419,604.72/494,186.38
  6. Step 6: Final answer
    x = 484,190.64

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1.5x scale

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.