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Finding the Fourth Proportional to 2,262.45, 3,394.59 and 802.63

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Solution

The fourth proportional to 2,262.45, 3,394.59 and 802.63 is: 1,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.45 : 3,394.59 = 802.63 : x
  2. Step 2: Convert to fraction form
    2,262.45/3,394.59 = 802.63/x
  3. Step 3: Cross multiply
    2,262.45x = 3,394.59 × 802.63
  4. Step 4: Simplify right side
    2,262.45x = 2,724,599.77
  5. Step 5: Solve for x
    x = 2,724,599.77/2,262.45
  6. Step 6: Final answer
    x = 1,204.27

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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.