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Finding the Fourth Proportional to 406,338.44, 560,751.17 and 245,162.33

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Solution

The fourth proportional to 406,338.44, 560,751.17 and 245,162.33 is: 338,326.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,338.44 : 560,751.17 = 245,162.33 : x
  2. Step 2: Convert to fraction form
    406,338.44/560,751.17 = 245,162.33/x
  3. Step 3: Cross multiply
    406,338.44x = 560,751.17 × 245,162.33
  4. Step 4: Simplify right side
    406,338.44x = 137,475,062,161.61
  5. Step 5: Solve for x
    x = 137,475,062,161.61/406,338.44
  6. Step 6: Final answer
    x = 338,326.50

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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.