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Finding the Fourth Proportional to 339,143.63, 468,020.03 and 211,893.03

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Solution

The fourth proportional to 339,143.63, 468,020.03 and 211,893.03 is: 292,413.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,143.63 : 468,020.03 = 211,893.03 : x
  2. Step 2: Convert to fraction form
    339,143.63/468,020.03 = 211,893.03/x
  3. Step 3: Cross multiply
    339,143.63x = 468,020.03 × 211,893.03
  4. Step 4: Simplify right side
    339,143.63x = 99,170,181,197.93
  5. Step 5: Solve for x
    x = 99,170,181,197.93/339,143.63
  6. Step 6: Final answer
    x = 292,413.52

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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.