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Finding the Fourth Proportional to 260,647.56, 359,586.72 and 158,591.21

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Solution

The fourth proportional to 260,647.56, 359,586.72 and 158,591.21 is: 218,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,647.56 : 359,586.72 = 158,591.21 : x
  2. Step 2: Convert to fraction form
    260,647.56/359,586.72 = 158,591.21/x
  3. Step 3: Cross multiply
    260,647.56x = 359,586.72 × 158,591.21
  4. Step 4: Simplify right side
    260,647.56x = 57,027,291,226.80
  5. Step 5: Solve for x
    x = 57,027,291,226.80/260,647.56
  6. Step 6: Final answer
    x = 218,790.81

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1.5x scale

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.