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Finding the Fourth Proportional to 303,514.44, 418,460.81 and 248,865.41

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Solution

The fourth proportional to 303,514.44, 418,460.81 and 248,865.41 is: 343,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,514.44 : 418,460.81 = 248,865.41 : x
  2. Step 2: Convert to fraction form
    303,514.44/418,460.81 = 248,865.41/x
  3. Step 3: Cross multiply
    303,514.44x = 418,460.81 × 248,865.41
  4. Step 4: Simplify right side
    303,514.44x = 104,140,421,551.34
  5. Step 5: Solve for x
    x = 104,140,421,551.34/303,514.44
  6. Step 6: Final answer
    x = 343,115.21

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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.