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Finding the Fourth Proportional to 339,506.46, 468,554.49 and 188,603.46

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Solution

The fourth proportional to 339,506.46, 468,554.49 and 188,603.46 is: 260,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,506.46 : 468,554.49 = 188,603.46 : x
  2. Step 2: Convert to fraction form
    339,506.46/468,554.49 = 188,603.46/x
  3. Step 3: Cross multiply
    339,506.46x = 468,554.49 × 188,603.46
  4. Step 4: Simplify right side
    339,506.46x = 88,370,998,012.54
  5. Step 5: Solve for x
    x = 88,370,998,012.54/339,506.46
  6. Step 6: Final answer
    x = 260,292.54

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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.