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Finding the Fourth Proportional to 719.23, 1,079.00 and 232.24

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Solution

The fourth proportional to 719.23, 1,079.00 and 232.24 is: 348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    719.23 : 1,079.00 = 232.24 : x
  2. Step 2: Convert to fraction form
    719.23/1,079.00 = 232.24/x
  3. Step 3: Cross multiply
    719.23x = 1,079.00 × 232.24
  4. Step 4: Simplify right side
    719.23x = 250,588.38
  5. Step 5: Solve for x
    x = 250,588.38/719.23
  6. Step 6: Final answer
    x = 348.41

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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.