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Finding the Fourth Proportional to 324,556.40, 486,719.40 and 224,716.40

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Solution

The fourth proportional to 324,556.40, 486,719.40 and 224,716.40 is: 336,994.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,556.40 : 486,719.40 = 224,716.40 : x
  2. Step 2: Convert to fraction form
    324,556.40/486,719.40 = 224,716.40/x
  3. Step 3: Cross multiply
    324,556.40x = 486,719.40 × 224,716.40
  4. Step 4: Simplify right side
    324,556.40x = 109,373,831,378.16
  5. Step 5: Solve for x
    x = 109,373,831,378.16/324,556.40
  6. Step 6: Final answer
    x = 336,994.84

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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.