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Finding the Fourth Proportional to 406,198, 560,572.50 and 245,049.59

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Solution

The fourth proportional to 406,198, 560,572.50 and 245,049.59 is: 338,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,198 : 560,572.50 = 245,049.59 : x
  2. Step 2: Convert to fraction form
    406,198/560,572.50 = 245,049.59/x
  3. Step 3: Cross multiply
    406,198x = 560,572.50 × 245,049.59
  4. Step 4: Simplify right side
    406,198x = 137,368,061,290.28
  5. Step 5: Solve for x
    x = 137,368,061,290.28/406,198
  6. Step 6: Final answer
    x = 338,180.05

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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.