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Finding the Fourth Proportional to 344,441.09, 475,291.50 and 191,485.86

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Solution

The fourth proportional to 344,441.09, 475,291.50 and 191,485.86 is: 264,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,441.09 : 475,291.50 = 191,485.86 : x
  2. Step 2: Convert to fraction form
    344,441.09/475,291.50 = 191,485.86/x
  3. Step 3: Cross multiply
    344,441.09x = 475,291.50 × 191,485.86
  4. Step 4: Simplify right side
    344,441.09x = 91,011,599,127.77
  5. Step 5: Solve for x
    x = 91,011,599,127.77/344,441.09
  6. Step 6: Final answer
    x = 264,229.79

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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.