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Finding the Fourth Proportional to 403,352.66, 556,605.54 and 222,029.18

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Solution

The fourth proportional to 403,352.66, 556,605.54 and 222,029.18 is: 306,388.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,352.66 : 556,605.54 = 222,029.18 : x
  2. Step 2: Convert to fraction form
    403,352.66/556,605.54 = 222,029.18/x
  3. Step 3: Cross multiply
    403,352.66x = 556,605.54 × 222,029.18
  4. Step 4: Simplify right side
    403,352.66x = 123,582,668,846.63
  5. Step 5: Solve for x
    x = 123,582,668,846.63/403,352.66
  6. Step 6: Final answer
    x = 306,388.63

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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.