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Finding the Fourth Proportional to 1,588.65, 2,378.58 and 1,197.47

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Solution

The fourth proportional to 1,588.65, 2,378.58 and 1,197.47 is: 1,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.65 : 2,378.58 = 1,197.47 : x
  2. Step 2: Convert to fraction form
    1,588.65/2,378.58 = 1,197.47/x
  3. Step 3: Cross multiply
    1,588.65x = 2,378.58 × 1,197.47
  4. Step 4: Simplify right side
    1,588.65x = 2,848,266.27
  5. Step 5: Solve for x
    x = 2,848,266.27/1,588.65
  6. Step 6: Final answer
    x = 1,792.88

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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.