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Finding the Fourth Proportional to 1,596.65, 2,394.36 and 622.42

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Solution

The fourth proportional to 1,596.65, 2,394.36 and 622.42 is: 933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.65 : 2,394.36 = 622.42 : x
  2. Step 2: Convert to fraction form
    1,596.65/2,394.36 = 622.42/x
  3. Step 3: Cross multiply
    1,596.65x = 2,394.36 × 622.42
  4. Step 4: Simplify right side
    1,596.65x = 1,490,291.57
  5. Step 5: Solve for x
    x = 1,490,291.57/1,596.65
  6. Step 6: Final answer
    x = 933.39

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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.