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Finding the Fourth Proportional to 452,694.12, 624,729.04 and 248,743.42

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Solution

The fourth proportional to 452,694.12, 624,729.04 and 248,743.42 is: 343,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,694.12 : 624,729.04 = 248,743.42 : x
  2. Step 2: Convert to fraction form
    452,694.12/624,729.04 = 248,743.42/x
  3. Step 3: Cross multiply
    452,694.12x = 624,729.04 × 248,743.42
  4. Step 4: Simplify right side
    452,694.12x = 155,397,237,982.92
  5. Step 5: Solve for x
    x = 155,397,237,982.92/452,694.12
  6. Step 6: Final answer
    x = 343,272.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.