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Finding the Fourth Proportional to 1,588.90, 2,383.44 and 493.42

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Solution

The fourth proportional to 1,588.90, 2,383.44 and 493.42 is: 740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.90 : 2,383.44 = 493.42 : x
  2. Step 2: Convert to fraction form
    1,588.90/2,383.44 = 493.42/x
  3. Step 3: Cross multiply
    1,588.90x = 2,383.44 × 493.42
  4. Step 4: Simplify right side
    1,588.90x = 1,176,036.96
  5. Step 5: Solve for x
    x = 1,176,036.96/1,588.90
  6. Step 6: Final answer
    x = 740.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.