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Finding the Fourth Proportional to 737,987.20, 1,107,175.20 and 264,623.20

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Solution

The fourth proportional to 737,987.20, 1,107,175.20 and 264,623.20 is: 397,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,987.20 : 1,107,175.20 = 264,623.20 : x
  2. Step 2: Convert to fraction form
    737,987.20/1,107,175.20 = 264,623.20/x
  3. Step 3: Cross multiply
    737,987.20x = 1,107,175.20 × 264,623.20
  4. Step 4: Simplify right side
    737,987.20x = 292,984,244,384.64
  5. Step 5: Solve for x
    x = 292,984,244,384.64/737,987.20
  6. Step 6: Final answer
    x = 397,004.51

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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.