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Finding the Fourth Proportional to 406,028.49, 560,190.49 and 236,229.81

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Solution

The fourth proportional to 406,028.49, 560,190.49 and 236,229.81 is: 325,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,028.49 : 560,190.49 = 236,229.81 : x
  2. Step 2: Convert to fraction form
    406,028.49/560,190.49 = 236,229.81/x
  3. Step 3: Cross multiply
    406,028.49x = 560,190.49 × 236,229.81
  4. Step 4: Simplify right side
    406,028.49x = 132,333,693,016.51
  5. Step 5: Solve for x
    x = 132,333,693,016.51/406,028.49
  6. Step 6: Final answer
    x = 325,922.19

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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.