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Finding the Fourth Proportional to 253,102.20, 379,653.30 and 253,102.20

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Solution

The fourth proportional to 253,102.20, 379,653.30 and 253,102.20 is: 379,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,102.20 : 379,653.30 = 253,102.20 : x
  2. Step 2: Convert to fraction form
    253,102.20/379,653.30 = 253,102.20/x
  3. Step 3: Cross multiply
    253,102.20x = 379,653.30 × 253,102.20
  4. Step 4: Simplify right side
    253,102.20x = 96,091,085,467.26
  5. Step 5: Solve for x
    x = 96,091,085,467.26/253,102.20
  6. Step 6: Final answer
    x = 379,653.30

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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.