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Finding the Fourth Proportional to 324,395.77, 486,607.18 and 111,310.19

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Solution

The fourth proportional to 324,395.77, 486,607.18 and 111,310.19 is: 166,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,395.77 : 486,607.18 = 111,310.19 : x
  2. Step 2: Convert to fraction form
    324,395.77/486,607.18 = 111,310.19/x
  3. Step 3: Cross multiply
    324,395.77x = 486,607.18 × 111,310.19
  4. Step 4: Simplify right side
    324,395.77x = 54,164,337,661.16
  5. Step 5: Solve for x
    x = 54,164,337,661.16/324,395.77
  6. Step 6: Final answer
    x = 166,969.93

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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.