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Finding the Fourth Proportional to 403,457.44, 556,775.36 and 222,186.24

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Solution

The fourth proportional to 403,457.44, 556,775.36 and 222,186.24 is: 306,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,457.44 : 556,775.36 = 222,186.24 : x
  2. Step 2: Convert to fraction form
    403,457.44/556,775.36 = 222,186.24/x
  3. Step 3: Cross multiply
    403,457.44x = 556,775.36 × 222,186.24
  4. Step 4: Simplify right side
    403,457.44x = 123,707,823,763.05
  5. Step 5: Solve for x
    x = 123,707,823,763.05/403,457.44
  6. Step 6: Final answer
    x = 306,619.27

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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.