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Finding the Fourth Proportional to 1,571.00, 2,356.44 and 475.34

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Solution

The fourth proportional to 1,571.00, 2,356.44 and 475.34 is: 712.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.00 : 2,356.44 = 475.34 : x
  2. Step 2: Convert to fraction form
    1,571.00/2,356.44 = 475.34/x
  3. Step 3: Cross multiply
    1,571.00x = 2,356.44 × 475.34
  4. Step 4: Simplify right side
    1,571.00x = 1,120,098.41
  5. Step 5: Solve for x
    x = 1,120,098.41/1,571.00
  6. Step 6: Final answer
    x = 712.98

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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.