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Finding the Fourth Proportional to 481,414.91, 664,389.98 and 266,574.96

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Solution

The fourth proportional to 481,414.91, 664,389.98 and 266,574.96 is: 367,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,414.91 : 664,389.98 = 266,574.96 : x
  2. Step 2: Convert to fraction form
    481,414.91/664,389.98 = 266,574.96/x
  3. Step 3: Cross multiply
    481,414.91x = 664,389.98 × 266,574.96
  4. Step 4: Simplify right side
    481,414.91x = 177,109,731,010.03
  5. Step 5: Solve for x
    x = 177,109,731,010.03/481,414.91
  6. Step 6: Final answer
    x = 367,894.16

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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.