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Finding the Fourth Proportional to 444,684.36, 666,327.60 and 343,729.56

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Solution

The fourth proportional to 444,684.36, 666,327.60 and 343,729.56 is: 515,054.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,684.36 : 666,327.60 = 343,729.56 : x
  2. Step 2: Convert to fraction form
    444,684.36/666,327.60 = 343,729.56/x
  3. Step 3: Cross multiply
    444,684.36x = 666,327.60 × 343,729.56
  4. Step 4: Simplify right side
    444,684.36x = 229,036,492,763.86
  5. Step 5: Solve for x
    x = 229,036,492,763.86/444,684.36
  6. Step 6: Final answer
    x = 515,054.08

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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.