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Finding the Fourth Proportional to 351,072.63, 484,545.78 and 200,169.63

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Solution

The fourth proportional to 351,072.63, 484,545.78 and 200,169.63 is: 276,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,072.63 : 484,545.78 = 200,169.63 : x
  2. Step 2: Convert to fraction form
    351,072.63/484,545.78 = 200,169.63/x
  3. Step 3: Cross multiply
    351,072.63x = 484,545.78 × 200,169.63
  4. Step 4: Simplify right side
    351,072.63x = 96,991,349,500.66
  5. Step 5: Solve for x
    x = 96,991,349,500.66/351,072.63
  6. Step 6: Final answer
    x = 276,271.46

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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.