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Finding the Fourth Proportional to 308,597.94, 425,811.60 and 181,299.96

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Solution

The fourth proportional to 308,597.94, 425,811.60 and 181,299.96 is: 250,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,597.94 : 425,811.60 = 181,299.96 : x
  2. Step 2: Convert to fraction form
    308,597.94/425,811.60 = 181,299.96/x
  3. Step 3: Cross multiply
    308,597.94x = 425,811.60 × 181,299.96
  4. Step 4: Simplify right side
    308,597.94x = 77,199,626,047.54
  5. Step 5: Solve for x
    x = 77,199,626,047.54/308,597.94
  6. Step 6: Final answer
    x = 250,162.48

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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.