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Finding the Fourth Proportional to 2,264.16, 3,396.16 and 620.68

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Solution

The fourth proportional to 2,264.16, 3,396.16 and 620.68 is: 931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.16 : 3,396.16 = 620.68 : x
  2. Step 2: Convert to fraction form
    2,264.16/3,396.16 = 620.68/x
  3. Step 3: Cross multiply
    2,264.16x = 3,396.16 × 620.68
  4. Step 4: Simplify right side
    2,264.16x = 2,107,928.59
  5. Step 5: Solve for x
    x = 2,107,928.59/2,264.16
  6. Step 6: Final answer
    x = 931.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.