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Finding the Fourth Proportional to 1,588.68, 2,383.11 and 548.73

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Solution

The fourth proportional to 1,588.68, 2,383.11 and 548.73 is: 823.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.68 : 2,383.11 = 548.73 : x
  2. Step 2: Convert to fraction form
    1,588.68/2,383.11 = 548.73/x
  3. Step 3: Cross multiply
    1,588.68x = 2,383.11 × 548.73
  4. Step 4: Simplify right side
    1,588.68x = 1,307,683.95
  5. Step 5: Solve for x
    x = 1,307,683.95/1,588.68
  6. Step 6: Final answer
    x = 823.13

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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.