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Finding the Fourth Proportional to 494,597.76, 682,554.24 and 303,515.52

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Solution

The fourth proportional to 494,597.76, 682,554.24 and 303,515.52 is: 418,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,597.76 : 682,554.24 = 303,515.52 : x
  2. Step 2: Convert to fraction form
    494,597.76/682,554.24 = 303,515.52/x
  3. Step 3: Cross multiply
    494,597.76x = 682,554.24 × 303,515.52
  4. Step 4: Simplify right side
    494,597.76x = 207,165,805,081.81
  5. Step 5: Solve for x
    x = 207,165,805,081.81/494,597.76
  6. Step 6: Final answer
    x = 418,857.14

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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.