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Finding the Fourth Proportional to 802.23, 1,202.14 and 583.27

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Solution

The fourth proportional to 802.23, 1,202.14 and 583.27 is: 874.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    802.23 : 1,202.14 = 583.27 : x
  2. Step 2: Convert to fraction form
    802.23/1,202.14 = 583.27/x
  3. Step 3: Cross multiply
    802.23x = 1,202.14 × 583.27
  4. Step 4: Simplify right side
    802.23x = 701,169.92
  5. Step 5: Solve for x
    x = 701,169.92/802.23
  6. Step 6: Final answer
    x = 874.03

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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.