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Finding the Fourth Proportional to 341,744.72, 471,592.64 and 190,838.48

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Solution

The fourth proportional to 341,744.72, 471,592.64 and 190,838.48 is: 263,348.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,744.72 : 471,592.64 = 190,838.48 : x
  2. Step 2: Convert to fraction form
    341,744.72/471,592.64 = 190,838.48/x
  3. Step 3: Cross multiply
    341,744.72x = 471,592.64 × 190,838.48
  4. Step 4: Simplify right side
    341,744.72x = 89,998,022,596.79
  5. Step 5: Solve for x
    x = 89,998,022,596.79/341,744.72
  6. Step 6: Final answer
    x = 263,348.68

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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.