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Finding the Fourth Proportional to 744.60, 1,044.60 and 744.60

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Solution

The fourth proportional to 744.60, 1,044.60 and 744.60 is: 1,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    744.60 : 1,044.60 = 744.60 : x
  2. Step 2: Convert to fraction form
    744.60/1,044.60 = 744.60/x
  3. Step 3: Cross multiply
    744.60x = 1,044.60 × 744.60
  4. Step 4: Simplify right side
    744.60x = 777,809.16
  5. Step 5: Solve for x
    x = 777,809.16/744.60
  6. Step 6: Final answer
    x = 1,044.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.