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Finding the Fourth Proportional to 344,241.32, 475,051.88 and 191,278.88

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Solution

The fourth proportional to 344,241.32, 475,051.88 and 191,278.88 is: 263,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,241.32 : 475,051.88 = 191,278.88 : x
  2. Step 2: Convert to fraction form
    344,241.32/475,051.88 = 191,278.88/x
  3. Step 3: Cross multiply
    344,241.32x = 475,051.88 × 191,278.88
  4. Step 4: Simplify right side
    344,241.32x = 90,867,391,548.29
  5. Step 5: Solve for x
    x = 90,867,391,548.29/344,241.32
  6. Step 6: Final answer
    x = 263,964.22

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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.