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Finding the Fourth Proportional to 351,309.38, 484,872.62 and 200,406.38

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Solution

The fourth proportional to 351,309.38, 484,872.62 and 200,406.38 is: 276,598.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,309.38 : 484,872.62 = 200,406.38 : x
  2. Step 2: Convert to fraction form
    351,309.38/484,872.62 = 200,406.38/x
  3. Step 3: Cross multiply
    351,309.38x = 484,872.62 × 200,406.38
  4. Step 4: Simplify right side
    351,309.38x = 97,171,563,108.92
  5. Step 5: Solve for x
    x = 97,171,563,108.92/351,309.38
  6. Step 6: Final answer
    x = 276,598.26

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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.