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Finding the Fourth Proportional to 730.07, 1,095.15 and 229.70

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Solution

The fourth proportional to 730.07, 1,095.15 and 229.70 is: 344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    730.07 : 1,095.15 = 229.70 : x
  2. Step 2: Convert to fraction form
    730.07/1,095.15 = 229.70/x
  3. Step 3: Cross multiply
    730.07x = 1,095.15 × 229.70
  4. Step 4: Simplify right side
    730.07x = 251,550.48
  5. Step 5: Solve for x
    x = 251,550.48/730.07
  6. Step 6: Final answer
    x = 344.56

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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.