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Finding the Fourth Proportional to 273,635.20, 409,675.20 and 245,641.60

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Solution

The fourth proportional to 273,635.20, 409,675.20 and 245,641.60 is: 367,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,635.20 : 409,675.20 = 245,641.60 : x
  2. Step 2: Convert to fraction form
    273,635.20/409,675.20 = 245,641.60/x
  3. Step 3: Cross multiply
    273,635.20x = 409,675.20 × 245,641.60
  4. Step 4: Simplify right side
    273,635.20x = 100,633,271,608.32
  5. Step 5: Solve for x
    x = 100,633,271,608.32/273,635.20
  6. Step 6: Final answer
    x = 367,764.35

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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.