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Finding the Fourth Proportional to 486,804.42, 730,122.39 and 131,735.52

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Solution

The fourth proportional to 486,804.42, 730,122.39 and 131,735.52 is: 197,580.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,804.42 : 730,122.39 = 131,735.52 : x
  2. Step 2: Convert to fraction form
    486,804.42/730,122.39 = 131,735.52/x
  3. Step 3: Cross multiply
    486,804.42x = 730,122.39 × 131,735.52
  4. Step 4: Simplify right side
    486,804.42x = 96,183,052,710.29
  5. Step 5: Solve for x
    x = 96,183,052,710.29/486,804.42
  6. Step 6: Final answer
    x = 197,580.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.