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Finding the Fourth Proportional to 1,610.70, 2,416.23 and 570.48

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Solution

The fourth proportional to 1,610.70, 2,416.23 and 570.48 is: 855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.70 : 2,416.23 = 570.48 : x
  2. Step 2: Convert to fraction form
    1,610.70/2,416.23 = 570.48/x
  3. Step 3: Cross multiply
    1,610.70x = 2,416.23 × 570.48
  4. Step 4: Simplify right side
    1,610.70x = 1,378,410.89
  5. Step 5: Solve for x
    x = 1,378,410.89/1,610.70
  6. Step 6: Final answer
    x = 855.78

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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.