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Finding the Fourth Proportional to 1,596.60, 2,395.36 and 622.98

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Solution

The fourth proportional to 1,596.60, 2,395.36 and 622.98 is: 934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.60 : 2,395.36 = 622.98 : x
  2. Step 2: Convert to fraction form
    1,596.60/2,395.36 = 622.98/x
  3. Step 3: Cross multiply
    1,596.60x = 2,395.36 × 622.98
  4. Step 4: Simplify right side
    1,596.60x = 1,492,261.37
  5. Step 5: Solve for x
    x = 1,492,261.37/1,596.60
  6. Step 6: Final answer
    x = 934.65

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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.