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Finding the Fourth Proportional to 260,609.44, 359,325.84 and 220,252

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Solution

The fourth proportional to 260,609.44, 359,325.84 and 220,252 is: 303,681.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,609.44 : 359,325.84 = 220,252 : x
  2. Step 2: Convert to fraction form
    260,609.44/359,325.84 = 220,252/x
  3. Step 3: Cross multiply
    260,609.44x = 359,325.84 × 220,252
  4. Step 4: Simplify right side
    260,609.44x = 79,142,234,911.68
  5. Step 5: Solve for x
    x = 79,142,234,911.68/260,609.44
  6. Step 6: Final answer
    x = 303,681.38

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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.