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Finding the Fourth Proportional to 1,546.72, 2,320.60 and 622.48

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Solution

The fourth proportional to 1,546.72, 2,320.60 and 622.48 is: 933.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.72 : 2,320.60 = 622.48 : x
  2. Step 2: Convert to fraction form
    1,546.72/2,320.60 = 622.48/x
  3. Step 3: Cross multiply
    1,546.72x = 2,320.60 × 622.48
  4. Step 4: Simplify right side
    1,546.72x = 1,444,527.09
  5. Step 5: Solve for x
    x = 1,444,527.09/1,546.72
  6. Step 6: Final answer
    x = 933.93

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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.