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Finding the Fourth Proportional to 406,662.41, 561,187.28 and 222,899.54

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Solution

The fourth proportional to 406,662.41, 561,187.28 and 222,899.54 is: 307,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,662.41 : 561,187.28 = 222,899.54 : x
  2. Step 2: Convert to fraction form
    406,662.41/561,187.28 = 222,899.54/x
  3. Step 3: Cross multiply
    406,662.41x = 561,187.28 × 222,899.54
  4. Step 4: Simplify right side
    406,662.41x = 125,088,382,645.42
  5. Step 5: Solve for x
    x = 125,088,382,645.42/406,662.41
  6. Step 6: Final answer
    x = 307,597.61

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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.