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Finding the Fourth Proportional to 426,208.54, 588,243.99 and 254,137.58

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Solution

The fourth proportional to 426,208.54, 588,243.99 and 254,137.58 is: 350,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,208.54 : 588,243.99 = 254,137.58 : x
  2. Step 2: Convert to fraction form
    426,208.54/588,243.99 = 254,137.58/x
  3. Step 3: Cross multiply
    426,208.54x = 588,243.99 × 254,137.58
  4. Step 4: Simplify right side
    426,208.54x = 149,494,906,165.20
  5. Step 5: Solve for x
    x = 149,494,906,165.20/426,208.54
  6. Step 6: Final answer
    x = 350,755.30

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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.