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Finding the Fourth Proportional to 1,588.89, 2,383.44 and 548.99

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Solution

The fourth proportional to 1,588.89, 2,383.44 and 548.99 is: 823.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.89 : 2,383.44 = 548.99 : x
  2. Step 2: Convert to fraction form
    1,588.89/2,383.44 = 548.99/x
  3. Step 3: Cross multiply
    1,588.89x = 2,383.44 × 548.99
  4. Step 4: Simplify right side
    1,588.89x = 1,308,490.68
  5. Step 5: Solve for x
    x = 1,308,490.68/1,588.89
  6. Step 6: Final answer
    x = 823.53

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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.