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Finding the Fourth Proportional to 350,365.36, 483,504 and 189,220.32

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Solution

The fourth proportional to 350,365.36, 483,504 and 189,220.32 is: 261,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,365.36 : 483,504 = 189,220.32 : x
  2. Step 2: Convert to fraction form
    350,365.36/483,504 = 189,220.32/x
  3. Step 3: Cross multiply
    350,365.36x = 483,504 × 189,220.32
  4. Step 4: Simplify right side
    350,365.36x = 91,488,781,601.28
  5. Step 5: Solve for x
    x = 91,488,781,601.28/350,365.36
  6. Step 6: Final answer
    x = 261,123.94

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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.