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Finding the Fourth Proportional to 339,978.42, 469,160.81 and 184,924.58

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Solution

The fourth proportional to 339,978.42, 469,160.81 and 184,924.58 is: 255,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,978.42 : 469,160.81 = 184,924.58 : x
  2. Step 2: Convert to fraction form
    339,978.42/469,160.81 = 184,924.58/x
  3. Step 3: Cross multiply
    339,978.42x = 469,160.81 × 184,924.58
  4. Step 4: Simplify right side
    339,978.42x = 86,759,362,471.28
  5. Step 5: Solve for x
    x = 86,759,362,471.28/339,978.42
  6. Step 6: Final answer
    x = 255,190.79

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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.