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Finding the Fourth Proportional to 394,806.70, 592,210.16 and 110,539.13

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Solution

The fourth proportional to 394,806.70, 592,210.16 and 110,539.13 is: 165,808.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,806.70 : 592,210.16 = 110,539.13 : x
  2. Step 2: Convert to fraction form
    394,806.70/592,210.16 = 110,539.13/x
  3. Step 3: Cross multiply
    394,806.70x = 592,210.16 × 110,539.13
  4. Step 4: Simplify right side
    394,806.70x = 65,462,395,863.56
  5. Step 5: Solve for x
    x = 65,462,395,863.56/394,806.70
  6. Step 6: Final answer
    x = 165,808.73

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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.