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Finding the Fourth Proportional to 1,651.03, 2,476.55 and 555.43

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Solution

The fourth proportional to 1,651.03, 2,476.55 and 555.43 is: 833.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.03 : 2,476.55 = 555.43 : x
  2. Step 2: Convert to fraction form
    1,651.03/2,476.55 = 555.43/x
  3. Step 3: Cross multiply
    1,651.03x = 2,476.55 × 555.43
  4. Step 4: Simplify right side
    1,651.03x = 1,375,539.74
  5. Step 5: Solve for x
    x = 1,375,539.74/1,651.03
  6. Step 6: Final answer
    x = 833.14

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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.