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Finding the Fourth Proportional to 741,704.60, 1,040,748.40 and 741,704.60

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Solution

The fourth proportional to 741,704.60, 1,040,748.40 and 741,704.60 is: 1,040,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,704.60 : 1,040,748.40 = 741,704.60 : x
  2. Step 2: Convert to fraction form
    741,704.60/1,040,748.40 = 741,704.60/x
  3. Step 3: Cross multiply
    741,704.60x = 1,040,748.40 × 741,704.60
  4. Step 4: Simplify right side
    741,704.60x = 771,927,875,722.64
  5. Step 5: Solve for x
    x = 771,927,875,722.64/741,704.60
  6. Step 6: Final answer
    x = 1,040,748.40

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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.