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Finding the Fourth Proportional to 294,051.78, 405,791.01 and 179,330.22

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Solution

The fourth proportional to 294,051.78, 405,791.01 and 179,330.22 is: 247,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,051.78 : 405,791.01 = 179,330.22 : x
  2. Step 2: Convert to fraction form
    294,051.78/405,791.01 = 179,330.22/x
  3. Step 3: Cross multiply
    294,051.78x = 405,791.01 × 179,330.22
  4. Step 4: Simplify right side
    294,051.78x = 72,770,591,097.32
  5. Step 5: Solve for x
    x = 72,770,591,097.32/294,051.78
  6. Step 6: Final answer
    x = 247,475.43

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1.5x scale

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.