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Finding the Fourth Proportional to 1,651.26, 2,477.04 and 555.69

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Solution

The fourth proportional to 1,651.26, 2,477.04 and 555.69 is: 833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.26 : 2,477.04 = 555.69 : x
  2. Step 2: Convert to fraction form
    1,651.26/2,477.04 = 555.69/x
  3. Step 3: Cross multiply
    1,651.26x = 2,477.04 × 555.69
  4. Step 4: Simplify right side
    1,651.26x = 1,376,466.36
  5. Step 5: Solve for x
    x = 1,376,466.36/1,651.26
  6. Step 6: Final answer
    x = 833.59

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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.