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Finding the Fourth Proportional to 397,437.93, 597,361.32 and 262,960.67

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Solution

The fourth proportional to 397,437.93, 597,361.32 and 262,960.67 is: 395,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,437.93 : 597,361.32 = 262,960.67 : x
  2. Step 2: Convert to fraction form
    397,437.93/597,361.32 = 262,960.67/x
  3. Step 3: Cross multiply
    397,437.93x = 597,361.32 × 262,960.67
  4. Step 4: Simplify right side
    397,437.93x = 157,082,532,939.28
  5. Step 5: Solve for x
    x = 157,082,532,939.28/397,437.93
  6. Step 6: Final answer
    x = 395,237.90

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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.