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Finding the Fourth Proportional to 335,337.89, 462,449.95 and 220,413.47

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Solution

The fourth proportional to 335,337.89, 462,449.95 and 220,413.47 is: 303,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,337.89 : 462,449.95 = 220,413.47 : x
  2. Step 2: Convert to fraction form
    335,337.89/462,449.95 = 220,413.47/x
  3. Step 3: Cross multiply
    335,337.89x = 462,449.95 × 220,413.47
  4. Step 4: Simplify right side
    335,337.89x = 101,930,195,317.54
  5. Step 5: Solve for x
    x = 101,930,195,317.54/335,337.89
  6. Step 6: Final answer
    x = 303,962.66

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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.