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Finding the Fourth Proportional to 352,413.60, 528,620.40 and 162,873.60

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Solution

The fourth proportional to 352,413.60, 528,620.40 and 162,873.60 is: 244,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,413.60 : 528,620.40 = 162,873.60 : x
  2. Step 2: Convert to fraction form
    352,413.60/528,620.40 = 162,873.60/x
  3. Step 3: Cross multiply
    352,413.60x = 528,620.40 × 162,873.60
  4. Step 4: Simplify right side
    352,413.60x = 86,098,307,581.44
  5. Step 5: Solve for x
    x = 86,098,307,581.44/352,413.60
  6. Step 6: Final answer
    x = 244,310.40

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1.5x scale

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.