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Finding the Fourth Proportional to 444,591.77, 666,886.62 and 343,536.77

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Solution

The fourth proportional to 444,591.77, 666,886.62 and 343,536.77 is: 515,304.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,591.77 : 666,886.62 = 343,536.77 : x
  2. Step 2: Convert to fraction form
    444,591.77/666,886.62 = 343,536.77/x
  3. Step 3: Cross multiply
    444,591.77x = 666,886.62 × 343,536.77
  4. Step 4: Simplify right side
    444,591.77x = 229,100,072,056.58
  5. Step 5: Solve for x
    x = 229,100,072,056.58/444,591.77
  6. Step 6: Final answer
    x = 515,304.35

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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.