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Finding the Fourth Proportional to 2,286.02, 3,429.04 and 554.65

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Solution

The fourth proportional to 2,286.02, 3,429.04 and 554.65 is: 831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.02 : 3,429.04 = 554.65 : x
  2. Step 2: Convert to fraction form
    2,286.02/3,429.04 = 554.65/x
  3. Step 3: Cross multiply
    2,286.02x = 3,429.04 × 554.65
  4. Step 4: Simplify right side
    2,286.02x = 1,901,907.08
  5. Step 5: Solve for x
    x = 1,901,907.08/2,286.02
  6. Step 6: Final answer
    x = 831.97

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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.