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Finding the Fourth Proportional to 974.00, 1,453.94 and 901.74

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Solution

The fourth proportional to 974.00, 1,453.94 and 901.74 is: 1,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    974.00 : 1,453.94 = 901.74 : x
  2. Step 2: Convert to fraction form
    974.00/1,453.94 = 901.74/x
  3. Step 3: Cross multiply
    974.00x = 1,453.94 × 901.74
  4. Step 4: Simplify right side
    974.00x = 1,311,066.33
  5. Step 5: Solve for x
    x = 1,311,066.33/974.00
  6. Step 6: Final answer
    x = 1,346.06

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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.