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Finding the Fourth Proportional to 1,304.16, 1,956.24 and 573.56

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Solution

The fourth proportional to 1,304.16, 1,956.24 and 573.56 is: 860.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.16 : 1,956.24 = 573.56 : x
  2. Step 2: Convert to fraction form
    1,304.16/1,956.24 = 573.56/x
  3. Step 3: Cross multiply
    1,304.16x = 1,956.24 × 573.56
  4. Step 4: Simplify right side
    1,304.16x = 1,122,021.01
  5. Step 5: Solve for x
    x = 1,122,021.01/1,304.16
  6. Step 6: Final answer
    x = 860.34

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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.