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Finding the Fourth Proportional to 403,351.75, 556,604.27 and 222,028.26

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Solution

The fourth proportional to 403,351.75, 556,604.27 and 222,028.26 is: 306,387.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,351.75 : 556,604.27 = 222,028.26 : x
  2. Step 2: Convert to fraction form
    403,351.75/556,604.27 = 222,028.26/x
  3. Step 3: Cross multiply
    403,351.75x = 556,604.27 × 222,028.26
  4. Step 4: Simplify right side
    403,351.75x = 123,581,877,576.67
  5. Step 5: Solve for x
    x = 123,581,877,576.67/403,351.75
  6. Step 6: Final answer
    x = 306,387.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.