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Finding the Fourth Proportional to 1,327.99, 1,992.23 and 597.91

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Solution

The fourth proportional to 1,327.99, 1,992.23 and 597.91 is: 896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.99 : 1,992.23 = 597.91 : x
  2. Step 2: Convert to fraction form
    1,327.99/1,992.23 = 597.91/x
  3. Step 3: Cross multiply
    1,327.99x = 1,992.23 × 597.91
  4. Step 4: Simplify right side
    1,327.99x = 1,191,174.24
  5. Step 5: Solve for x
    x = 1,191,174.24/1,327.99
  6. Step 6: Final answer
    x = 896.98

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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.