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Finding the Fourth Proportional to 344,100.72, 474,842.94 and 191,148.84

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Solution

The fourth proportional to 344,100.72, 474,842.94 and 191,148.84 is: 263,776.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,100.72 : 474,842.94 = 191,148.84 : x
  2. Step 2: Convert to fraction form
    344,100.72/474,842.94 = 191,148.84/x
  3. Step 3: Cross multiply
    344,100.72x = 474,842.94 × 191,148.84
  4. Step 4: Simplify right side
    344,100.72x = 90,765,677,163.19
  5. Step 5: Solve for x
    x = 90,765,677,163.19/344,100.72
  6. Step 6: Final answer
    x = 263,776.48

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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.