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Finding the Fourth Proportional to 404,281.10, 606,336.60 and 204,413.60

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Solution

The fourth proportional to 404,281.10, 606,336.60 and 204,413.60 is: 306,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,281.10 : 606,336.60 = 204,413.60 : x
  2. Step 2: Convert to fraction form
    404,281.10/606,336.60 = 204,413.60/x
  3. Step 3: Cross multiply
    404,281.10x = 606,336.60 × 204,413.60
  4. Step 4: Simplify right side
    404,281.10x = 123,943,447,217.76
  5. Step 5: Solve for x
    x = 123,943,447,217.76/404,281.10
  6. Step 6: Final answer
    x = 306,577.40

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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.