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Finding the Fourth Proportional to 309,609.24, 464,620.98 and 112,617.24

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Solution

The fourth proportional to 309,609.24, 464,620.98 and 112,617.24 is: 169,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,609.24 : 464,620.98 = 112,617.24 : x
  2. Step 2: Convert to fraction form
    309,609.24/464,620.98 = 112,617.24/x
  3. Step 3: Cross multiply
    309,609.24x = 464,620.98 × 112,617.24
  4. Step 4: Simplify right side
    309,609.24x = 52,324,332,413.70
  5. Step 5: Solve for x
    x = 52,324,332,413.70/309,609.24
  6. Step 6: Final answer
    x = 169,001.20

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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.