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Finding the Fourth Proportional to 1,651.08, 2,476.98 and 555.46

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Solution

The fourth proportional to 1,651.08, 2,476.98 and 555.46 is: 833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.08 : 2,476.98 = 555.46 : x
  2. Step 2: Convert to fraction form
    1,651.08/2,476.98 = 555.46/x
  3. Step 3: Cross multiply
    1,651.08x = 2,476.98 × 555.46
  4. Step 4: Simplify right side
    1,651.08x = 1,375,857.12
  5. Step 5: Solve for x
    x = 1,375,857.12/1,651.08
  6. Step 6: Final answer
    x = 833.31

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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.