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Finding the Fourth Proportional to 350,953.72, 484,375.68 and 198,035.26

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Solution

The fourth proportional to 350,953.72, 484,375.68 and 198,035.26 is: 273,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,953.72 : 484,375.68 = 198,035.26 : x
  2. Step 2: Convert to fraction form
    350,953.72/484,375.68 = 198,035.26/x
  3. Step 3: Cross multiply
    350,953.72x = 484,375.68 × 198,035.26
  4. Step 4: Simplify right side
    350,953.72x = 95,923,463,726.48
  5. Step 5: Solve for x
    x = 95,923,463,726.48/350,953.72
  6. Step 6: Final answer
    x = 273,322.26

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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.