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Finding the Fourth Proportional to 2,303.97, 3,456.49 and 722.60

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Solution

The fourth proportional to 2,303.97, 3,456.49 and 722.60 is: 1,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.97 : 3,456.49 = 722.60 : x
  2. Step 2: Convert to fraction form
    2,303.97/3,456.49 = 722.60/x
  3. Step 3: Cross multiply
    2,303.97x = 3,456.49 × 722.60
  4. Step 4: Simplify right side
    2,303.97x = 2,497,674.34
  5. Step 5: Solve for x
    x = 2,497,674.34/2,303.97
  6. Step 6: Final answer
    x = 1,084.07

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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.