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Finding the Fourth Proportional to 863,975.13, 1,295,981.36 and 264,923.03

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Solution

The fourth proportional to 863,975.13, 1,295,981.36 and 264,923.03 is: 397,390.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,975.13 : 1,295,981.36 = 264,923.03 : x
  2. Step 2: Convert to fraction form
    863,975.13/1,295,981.36 = 264,923.03/x
  3. Step 3: Cross multiply
    863,975.13x = 1,295,981.36 × 264,923.03
  4. Step 4: Simplify right side
    863,975.13x = 343,335,300,910.20
  5. Step 5: Solve for x
    x = 343,335,300,910.20/863,975.13
  6. Step 6: Final answer
    x = 397,390.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.