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Finding the Fourth Proportional to 403,465.68, 556,786.77 and 222,194.46

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Solution

The fourth proportional to 403,465.68, 556,786.77 and 222,194.46 is: 306,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,465.68 : 556,786.77 = 222,194.46 : x
  2. Step 2: Convert to fraction form
    403,465.68/556,786.77 = 222,194.46/x
  3. Step 3: Cross multiply
    403,465.68x = 556,786.77 × 222,194.46
  4. Step 4: Simplify right side
    403,465.68x = 123,714,935,695.29
  5. Step 5: Solve for x
    x = 123,714,935,695.29/403,465.68
  6. Step 6: Final answer
    x = 306,630.63

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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.