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Finding the Fourth Proportional to 489,749.11, 734,672.87 and 182,083.32

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Solution

The fourth proportional to 489,749.11, 734,672.87 and 182,083.32 is: 273,143.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,749.11 : 734,672.87 = 182,083.32 : x
  2. Step 2: Convert to fraction form
    489,749.11/734,672.87 = 182,083.32/x
  3. Step 3: Cross multiply
    489,749.11x = 734,672.87 × 182,083.32
  4. Step 4: Simplify right side
    489,749.11x = 133,771,675,283.53
  5. Step 5: Solve for x
    x = 133,771,675,283.53/489,749.11
  6. Step 6: Final answer
    x = 273,143.27

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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.