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Finding the Fourth Proportional to 344,858.58, 475,904.79 and 191,906.61

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Solution

The fourth proportional to 344,858.58, 475,904.79 and 191,906.61 is: 264,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,858.58 : 475,904.79 = 191,906.61 : x
  2. Step 2: Convert to fraction form
    344,858.58/475,904.79 = 191,906.61/x
  3. Step 3: Cross multiply
    344,858.58x = 475,904.79 × 191,906.61
  4. Step 4: Simplify right side
    344,858.58x = 91,329,274,931.66
  5. Step 5: Solve for x
    x = 91,329,274,931.66/344,858.58
  6. Step 6: Final answer
    x = 264,831.09

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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.