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Finding the Fourth Proportional to 1,651.44, 2,476.19 and 555.51

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Solution

The fourth proportional to 1,651.44, 2,476.19 and 555.51 is: 832.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.44 : 2,476.19 = 555.51 : x
  2. Step 2: Convert to fraction form
    1,651.44/2,476.19 = 555.51/x
  3. Step 3: Cross multiply
    1,651.44x = 2,476.19 × 555.51
  4. Step 4: Simplify right side
    1,651.44x = 1,375,545.53
  5. Step 5: Solve for x
    x = 1,375,545.53/1,651.44
  6. Step 6: Final answer
    x = 832.94

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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.