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Finding the Fourth Proportional to 481,084.10, 663,879.72 and 266,233.22

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Solution

The fourth proportional to 481,084.10, 663,879.72 and 266,233.22 is: 367,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,084.10 : 663,879.72 = 266,233.22 : x
  2. Step 2: Convert to fraction form
    481,084.10/663,879.72 = 266,233.22/x
  3. Step 3: Cross multiply
    481,084.10x = 663,879.72 × 266,233.22
  4. Step 4: Simplify right side
    481,084.10x = 176,746,835,548.30
  5. Step 5: Solve for x
    x = 176,746,835,548.30/481,084.10
  6. Step 6: Final answer
    x = 367,392.80

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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.