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Finding the Fourth Proportional to 394,708.33, 591,971.92 and 110,419.01

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Solution

The fourth proportional to 394,708.33, 591,971.92 and 110,419.01 is: 165,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,708.33 : 591,971.92 = 110,419.01 : x
  2. Step 2: Convert to fraction form
    394,708.33/591,971.92 = 110,419.01/x
  3. Step 3: Cross multiply
    394,708.33x = 591,971.92 × 110,419.01
  4. Step 4: Simplify right side
    394,708.33x = 65,364,953,354.20
  5. Step 5: Solve for x
    x = 65,364,953,354.20/394,708.33
  6. Step 6: Final answer
    x = 165,603.18

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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.