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Finding the Fourth Proportional to 344,124.61, 474,967.92 and 191,215.37

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Solution

The fourth proportional to 344,124.61, 474,967.92 and 191,215.37 is: 263,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,124.61 : 474,967.92 = 191,215.37 : x
  2. Step 2: Convert to fraction form
    344,124.61/474,967.92 = 191,215.37/x
  3. Step 3: Cross multiply
    344,124.61x = 474,967.92 × 191,215.37
  4. Step 4: Simplify right side
    344,124.61x = 90,821,166,560.93
  5. Step 5: Solve for x
    x = 90,821,166,560.93/344,124.61
  6. Step 6: Final answer
    x = 263,919.42

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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.