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Finding the Fourth Proportional to 342,699.26, 472,924.89 and 191,796.26

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Solution

The fourth proportional to 342,699.26, 472,924.89 and 191,796.26 is: 264,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,699.26 : 472,924.89 = 191,796.26 : x
  2. Step 2: Convert to fraction form
    342,699.26/472,924.89 = 191,796.26/x
  3. Step 3: Cross multiply
    342,699.26x = 472,924.89 × 191,796.26
  4. Step 4: Simplify right side
    342,699.26x = 90,705,222,798.29
  5. Step 5: Solve for x
    x = 90,705,222,798.29/342,699.26
  6. Step 6: Final answer
    x = 264,678.79

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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.