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Finding the Fourth Proportional to 262,620.62, 393,955.70 and 203,522.48

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Solution

The fourth proportional to 262,620.62, 393,955.70 and 203,522.48 is: 305,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,620.62 : 393,955.70 = 203,522.48 : x
  2. Step 2: Convert to fraction form
    262,620.62/393,955.70 = 203,522.48/x
  3. Step 3: Cross multiply
    262,620.62x = 393,955.70 × 203,522.48
  4. Step 4: Simplify right side
    262,620.62x = 80,178,841,074.14
  5. Step 5: Solve for x
    x = 80,178,841,074.14/262,620.62
  6. Step 6: Final answer
    x = 305,302.92

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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.