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Finding the Fourth Proportional to 894.56, 1,333.85 and 893.34

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Solution

The fourth proportional to 894.56, 1,333.85 and 893.34 is: 1,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.56 : 1,333.85 = 893.34 : x
  2. Step 2: Convert to fraction form
    894.56/1,333.85 = 893.34/x
  3. Step 3: Cross multiply
    894.56x = 1,333.85 × 893.34
  4. Step 4: Simplify right side
    894.56x = 1,191,577.09
  5. Step 5: Solve for x
    x = 1,191,577.09/894.56
  6. Step 6: Final answer
    x = 1,332.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.