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Finding the Fourth Proportional to 486,300.96, 729,771.48 and 170,749.44

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Solution

The fourth proportional to 486,300.96, 729,771.48 and 170,749.44 is: 256,236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,300.96 : 729,771.48 = 170,749.44 : x
  2. Step 2: Convert to fraction form
    486,300.96/729,771.48 = 170,749.44/x
  3. Step 3: Cross multiply
    486,300.96x = 729,771.48 × 170,749.44
  4. Step 4: Simplify right side
    486,300.96x = 124,608,071,537.97
  5. Step 5: Solve for x
    x = 124,608,071,537.97/486,300.96
  6. Step 6: Final answer
    x = 256,236.53

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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.