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Finding the Fourth Proportional to 1,459,376, 2,189,064 and 394,336.32

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Solution

The fourth proportional to 1,459,376, 2,189,064 and 394,336.32 is: 591,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,376 : 2,189,064 = 394,336.32 : x
  2. Step 2: Convert to fraction form
    1,459,376/2,189,064 = 394,336.32/x
  3. Step 3: Cross multiply
    1,459,376x = 2,189,064 × 394,336.32
  4. Step 4: Simplify right side
    1,459,376x = 863,227,442,004.48
  5. Step 5: Solve for x
    x = 863,227,442,004.48/1,459,376
  6. Step 6: Final answer
    x = 591,504.48

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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.