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Finding the Fourth Proportional to 351,181.62, 484,638.93 and 200,275.38

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Solution

The fourth proportional to 351,181.62, 484,638.93 and 200,275.38 is: 276,384.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,181.62 : 484,638.93 = 200,275.38 : x
  2. Step 2: Convert to fraction form
    351,181.62/484,638.93 = 200,275.38/x
  3. Step 3: Cross multiply
    351,181.62x = 484,638.93 × 200,275.38
  4. Step 4: Simplify right side
    351,181.62x = 97,061,245,868.54
  5. Step 5: Solve for x
    x = 97,061,245,868.54/351,181.62
  6. Step 6: Final answer
    x = 276,384.75

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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.