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Finding the Fourth Proportional to 343,959.06, 474,719.67 and 191,046.51

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Solution

The fourth proportional to 343,959.06, 474,719.67 and 191,046.51 is: 263,675.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,959.06 : 474,719.67 = 191,046.51 : x
  2. Step 2: Convert to fraction form
    343,959.06/474,719.67 = 191,046.51/x
  3. Step 3: Cross multiply
    343,959.06x = 474,719.67 × 191,046.51
  4. Step 4: Simplify right side
    343,959.06x = 90,693,536,181.85
  5. Step 5: Solve for x
    x = 90,693,536,181.85/343,959.06
  6. Step 6: Final answer
    x = 263,675.38

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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.