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Finding the Fourth Proportional to 1,651.83, 2,477.97 and 556.32

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Solution

The fourth proportional to 1,651.83, 2,477.97 and 556.32 is: 834.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.83 : 2,477.97 = 556.32 : x
  2. Step 2: Convert to fraction form
    1,651.83/2,477.97 = 556.32/x
  3. Step 3: Cross multiply
    1,651.83x = 2,477.97 × 556.32
  4. Step 4: Simplify right side
    1,651.83x = 1,378,544.27
  5. Step 5: Solve for x
    x = 1,378,544.27/1,651.83
  6. Step 6: Final answer
    x = 834.56

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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.