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Finding the Fourth Proportional to 350,878.73, 484,212.29 and 189,733.37

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Solution

The fourth proportional to 350,878.73, 484,212.29 and 189,733.37 is: 261,831.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,878.73 : 484,212.29 = 189,733.37 : x
  2. Step 2: Convert to fraction form
    350,878.73/484,212.29 = 189,733.37/x
  3. Step 3: Cross multiply
    350,878.73x = 484,212.29 × 189,733.37
  4. Step 4: Simplify right side
    350,878.73x = 91,871,226,207.39
  5. Step 5: Solve for x
    x = 91,871,226,207.39/350,878.73
  6. Step 6: Final answer
    x = 261,831.85

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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.