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Finding the Fourth Proportional to 343,767.70, 474,392.27 and 190,796.91

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Solution

The fourth proportional to 343,767.70, 474,392.27 and 190,796.91 is: 263,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,767.70 : 474,392.27 = 190,796.91 : x
  2. Step 2: Convert to fraction form
    343,767.70/474,392.27 = 190,796.91/x
  3. Step 3: Cross multiply
    343,767.70x = 474,392.27 × 190,796.91
  4. Step 4: Simplify right side
    343,767.70x = 90,512,579,243.89
  5. Step 5: Solve for x
    x = 90,512,579,243.89/343,767.70
  6. Step 6: Final answer
    x = 263,295.77

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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.