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Finding the Fourth Proportional to 406,458.51, 560,912.67 and 225,182.22

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Solution

The fourth proportional to 406,458.51, 560,912.67 and 225,182.22 is: 310,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,458.51 : 560,912.67 = 225,182.22 : x
  2. Step 2: Convert to fraction form
    406,458.51/560,912.67 = 225,182.22/x
  3. Step 3: Cross multiply
    406,458.51x = 560,912.67 × 225,182.22
  4. Step 4: Simplify right side
    406,458.51x = 126,307,560,256.73
  5. Step 5: Solve for x
    x = 126,307,560,256.73/406,458.51
  6. Step 6: Final answer
    x = 310,751.42

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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.