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Finding the Fourth Proportional to 479,705.92, 719,427.50 and 180,163.32

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Solution

The fourth proportional to 479,705.92, 719,427.50 and 180,163.32 is: 270,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,705.92 : 719,427.50 = 180,163.32 : x
  2. Step 2: Convert to fraction form
    479,705.92/719,427.50 = 180,163.32/x
  3. Step 3: Cross multiply
    479,705.92x = 719,427.50 × 180,163.32
  4. Step 4: Simplify right side
    479,705.92x = 129,614,446,899.30
  5. Step 5: Solve for x
    x = 129,614,446,899.30/479,705.92
  6. Step 6: Final answer
    x = 270,195.64

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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.