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Finding the Fourth Proportional to 605,413.30, 908,314.35 and 268,323.70

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Solution

The fourth proportional to 605,413.30, 908,314.35 and 268,323.70 is: 402,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,413.30 : 908,314.35 = 268,323.70 : x
  2. Step 2: Convert to fraction form
    605,413.30/908,314.35 = 268,323.70/x
  3. Step 3: Cross multiply
    605,413.30x = 908,314.35 × 268,323.70
  4. Step 4: Simplify right side
    605,413.30x = 243,722,267,155.10
  5. Step 5: Solve for x
    x = 243,722,267,155.10/605,413.30
  6. Step 6: Final answer
    x = 402,571.71

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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.