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Finding the Fourth Proportional to 463,413.56, 639,520.44 and 262,209.56

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Solution

The fourth proportional to 463,413.56, 639,520.44 and 262,209.56 is: 361,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,413.56 : 639,520.44 = 262,209.56 : x
  2. Step 2: Convert to fraction form
    463,413.56/639,520.44 = 262,209.56/x
  3. Step 3: Cross multiply
    463,413.56x = 639,520.44 × 262,209.56
  4. Step 4: Simplify right side
    463,413.56x = 167,688,373,183.41
  5. Step 5: Solve for x
    x = 167,688,373,183.41/463,413.56
  6. Step 6: Final answer
    x = 361,854.70

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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.