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Finding the Fourth Proportional to 344,904.25, 475,958.11 and 191,940

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Solution

The fourth proportional to 344,904.25, 475,958.11 and 191,940 is: 264,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,904.25 : 475,958.11 = 191,940 : x
  2. Step 2: Convert to fraction form
    344,904.25/475,958.11 = 191,940/x
  3. Step 3: Cross multiply
    344,904.25x = 475,958.11 × 191,940
  4. Step 4: Simplify right side
    344,904.25x = 91,355,399,633.40
  5. Step 5: Solve for x
    x = 91,355,399,633.40/344,904.25
  6. Step 6: Final answer
    x = 264,871.77

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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.