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Finding the Fourth Proportional to 896.54, 1,237.64 and 601.97

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Solution

The fourth proportional to 896.54, 1,237.64 and 601.97 is: 830.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.54 : 1,237.64 = 601.97 : x
  2. Step 2: Convert to fraction form
    896.54/1,237.64 = 601.97/x
  3. Step 3: Cross multiply
    896.54x = 1,237.64 × 601.97
  4. Step 4: Simplify right side
    896.54x = 745,022.24
  5. Step 5: Solve for x
    x = 745,022.24/896.54
  6. Step 6: Final answer
    x = 830.99

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1.5x scale

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.