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Finding the Fourth Proportional to 324,320.16, 486,701.73 and 113,958.12

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Solution

The fourth proportional to 324,320.16, 486,701.73 and 113,958.12 is: 171,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,320.16 : 486,701.73 = 113,958.12 : x
  2. Step 2: Convert to fraction form
    324,320.16/486,701.73 = 113,958.12/x
  3. Step 3: Cross multiply
    324,320.16x = 486,701.73 × 113,958.12
  4. Step 4: Simplify right side
    324,320.16x = 55,463,614,151.55
  5. Step 5: Solve for x
    x = 55,463,614,151.55/324,320.16
  6. Step 6: Final answer
    x = 171,015.01

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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.