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Finding the Fourth Proportional to 492,717.30, 739,185.30 and 226,413.60

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Solution

The fourth proportional to 492,717.30, 739,185.30 and 226,413.60 is: 339,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,717.30 : 739,185.30 = 226,413.60 : x
  2. Step 2: Convert to fraction form
    492,717.30/739,185.30 = 226,413.60/x
  3. Step 3: Cross multiply
    492,717.30x = 739,185.30 × 226,413.60
  4. Step 4: Simplify right side
    492,717.30x = 167,361,604,840.08
  5. Step 5: Solve for x
    x = 167,361,604,840.08/492,717.30
  6. Step 6: Final answer
    x = 339,670.65

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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.