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Finding the Fourth Proportional to 1,718.08, 2,577.22 and 622.56

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Solution

The fourth proportional to 1,718.08, 2,577.22 and 622.56 is: 933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.08 : 2,577.22 = 622.56 : x
  2. Step 2: Convert to fraction form
    1,718.08/2,577.22 = 622.56/x
  3. Step 3: Cross multiply
    1,718.08x = 2,577.22 × 622.56
  4. Step 4: Simplify right side
    1,718.08x = 1,604,474.08
  5. Step 5: Solve for x
    x = 1,604,474.08/1,718.08
  6. Step 6: Final answer
    x = 933.88

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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.