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Finding the Fourth Proportional to 1,263,456, 1,895,512.32 and 376,992

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Solution

The fourth proportional to 1,263,456, 1,895,512.32 and 376,992 is: 565,585.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,456 : 1,895,512.32 = 376,992 : x
  2. Step 2: Convert to fraction form
    1,263,456/1,895,512.32 = 376,992/x
  3. Step 3: Cross multiply
    1,263,456x = 1,895,512.32 × 376,992
  4. Step 4: Simplify right side
    1,263,456x = 714,592,980,541.44
  5. Step 5: Solve for x
    x = 714,592,980,541.44/1,263,456
  6. Step 6: Final answer
    x = 565,585.96

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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.