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Finding the Fourth Proportional to 2,283.44, 3,424.88 and 723.40

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Solution

The fourth proportional to 2,283.44, 3,424.88 and 723.40 is: 1,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.44 : 3,424.88 = 723.40 : x
  2. Step 2: Convert to fraction form
    2,283.44/3,424.88 = 723.40/x
  3. Step 3: Cross multiply
    2,283.44x = 3,424.88 × 723.40
  4. Step 4: Simplify right side
    2,283.44x = 2,477,558.19
  5. Step 5: Solve for x
    x = 2,477,558.19/2,283.44
  6. Step 6: Final answer
    x = 1,085.01

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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.