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Finding the Fourth Proportional to 339,413.92, 468,383.04 and 188,511.04

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Solution

The fourth proportional to 339,413.92, 468,383.04 and 188,511.04 is: 260,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,413.92 : 468,383.04 = 188,511.04 : x
  2. Step 2: Convert to fraction form
    339,413.92/468,383.04 = 188,511.04/x
  3. Step 3: Cross multiply
    339,413.92x = 468,383.04 × 188,511.04
  4. Step 4: Simplify right side
    339,413.92x = 88,295,373,988.76
  5. Step 5: Solve for x
    x = 88,295,373,988.76/339,413.92
  6. Step 6: Final answer
    x = 260,140.70

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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.