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Finding the Fourth Proportional to 719.01, 1,078.56 and 232.00

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Solution

The fourth proportional to 719.01, 1,078.56 and 232.00 is: 348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    719.01 : 1,078.56 = 232.00 : x
  2. Step 2: Convert to fraction form
    719.01/1,078.56 = 232.00/x
  3. Step 3: Cross multiply
    719.01x = 1,078.56 × 232.00
  4. Step 4: Simplify right side
    719.01x = 250,223.22
  5. Step 5: Solve for x
    x = 250,223.22/719.01
  6. Step 6: Final answer
    x = 348.01

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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.