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Finding the Fourth Proportional to 444,630.52, 666,467.88 and 192,030.40

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Solution

The fourth proportional to 444,630.52, 666,467.88 and 192,030.40 is: 287,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,630.52 : 666,467.88 = 192,030.40 : x
  2. Step 2: Convert to fraction form
    444,630.52/666,467.88 = 192,030.40/x
  3. Step 3: Cross multiply
    444,630.52x = 666,467.88 × 192,030.40
  4. Step 4: Simplify right side
    444,630.52x = 127,982,093,583.55
  5. Step 5: Solve for x
    x = 127,982,093,583.55/444,630.52
  6. Step 6: Final answer
    x = 287,839.20

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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.