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Finding the Fourth Proportional to 1,346,607, 1,858,356.57 and 743,033.88

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Solution

The fourth proportional to 1,346,607, 1,858,356.57 and 743,033.88 is: 1,025,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,607 : 1,858,356.57 = 743,033.88 : x
  2. Step 2: Convert to fraction form
    1,346,607/1,858,356.57 = 743,033.88/x
  3. Step 3: Cross multiply
    1,346,607x = 1,858,356.57 × 743,033.88
  4. Step 4: Simplify right side
    1,346,607x = 1,380,821,892,630.59
  5. Step 5: Solve for x
    x = 1,380,821,892,630.59/1,346,607
  6. Step 6: Final answer
    x = 1,025,408.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.