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Finding the Fourth Proportional to 1,495.59, 2,243.33 and 399.89

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Solution

The fourth proportional to 1,495.59, 2,243.33 and 399.89 is: 599.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.59 : 2,243.33 = 399.89 : x
  2. Step 2: Convert to fraction form
    1,495.59/2,243.33 = 399.89/x
  3. Step 3: Cross multiply
    1,495.59x = 2,243.33 × 399.89
  4. Step 4: Simplify right side
    1,495.59x = 897,090.34
  5. Step 5: Solve for x
    x = 897,090.34/1,495.59
  6. Step 6: Final answer
    x = 599.83

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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.