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Finding the Fourth Proportional to 308,174.67, 425,323.26 and 177,349.62

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Solution

The fourth proportional to 308,174.67, 425,323.26 and 177,349.62 is: 244,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,174.67 : 425,323.26 = 177,349.62 : x
  2. Step 2: Convert to fraction form
    308,174.67/425,323.26 = 177,349.62/x
  3. Step 3: Cross multiply
    308,174.67x = 425,323.26 × 177,349.62
  4. Step 4: Simplify right side
    308,174.67x = 75,430,918,538.16
  5. Step 5: Solve for x
    x = 75,430,918,538.16/308,174.67
  6. Step 6: Final answer
    x = 244,766.77

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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.