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Finding the Fourth Proportional to 308,676.50, 426,028.17 and 181,352.06

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Solution

The fourth proportional to 308,676.50, 426,028.17 and 181,352.06 is: 250,297.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,676.50 : 426,028.17 = 181,352.06 : x
  2. Step 2: Convert to fraction form
    308,676.50/426,028.17 = 181,352.06/x
  3. Step 3: Cross multiply
    308,676.50x = 426,028.17 × 181,352.06
  4. Step 4: Simplify right side
    308,676.50x = 77,261,086,247.53
  5. Step 5: Solve for x
    x = 77,261,086,247.53/308,676.50
  6. Step 6: Final answer
    x = 250,297.92

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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.