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Finding the Fourth Proportional to 300,583.70, 450,675.48 and 180,369.98

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Solution

The fourth proportional to 300,583.70, 450,675.48 and 180,369.98 is: 270,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,583.70 : 450,675.48 = 180,369.98 : x
  2. Step 2: Convert to fraction form
    300,583.70/450,675.48 = 180,369.98/x
  3. Step 3: Cross multiply
    300,583.70x = 450,675.48 × 180,369.98
  4. Step 4: Simplify right side
    300,583.70x = 81,288,327,314.09
  5. Step 5: Solve for x
    x = 81,288,327,314.09/300,583.70
  6. Step 6: Final answer
    x = 270,434.91

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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.