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Finding the Fourth Proportional to 422,759.80, 583,413.32 and 241,495.72

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Solution

The fourth proportional to 422,759.80, 583,413.32 and 241,495.72 is: 333,266.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,759.80 : 583,413.32 = 241,495.72 : x
  2. Step 2: Convert to fraction form
    422,759.80/583,413.32 = 241,495.72/x
  3. Step 3: Cross multiply
    422,759.80x = 583,413.32 × 241,495.72
  4. Step 4: Simplify right side
    422,759.80x = 140,891,819,770.99
  5. Step 5: Solve for x
    x = 140,891,819,770.99/422,759.80
  6. Step 6: Final answer
    x = 333,266.83

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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.