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Finding the Fourth Proportional to 893,372.82, 1,232,850.44 and 485,466.94

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Solution

The fourth proportional to 893,372.82, 1,232,850.44 and 485,466.94 is: 669,942.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,372.82 : 1,232,850.44 = 485,466.94 : x
  2. Step 2: Convert to fraction form
    893,372.82/1,232,850.44 = 485,466.94/x
  3. Step 3: Cross multiply
    893,372.82x = 1,232,850.44 × 485,466.94
  4. Step 4: Simplify right side
    893,372.82x = 598,508,130,584.45
  5. Step 5: Solve for x
    x = 598,508,130,584.45/893,372.82
  6. Step 6: Final answer
    x = 669,942.18

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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.