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Finding the Fourth Proportional to 481,461.72, 664,409.06 and 266,597.18

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Solution

The fourth proportional to 481,461.72, 664,409.06 and 266,597.18 is: 367,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,461.72 : 664,409.06 = 266,597.18 : x
  2. Step 2: Convert to fraction form
    481,461.72/664,409.06 = 266,597.18/x
  3. Step 3: Cross multiply
    481,461.72x = 664,409.06 × 266,597.18
  4. Step 4: Simplify right side
    481,461.72x = 177,129,577,107.42
  5. Step 5: Solve for x
    x = 177,129,577,107.42/481,461.72
  6. Step 6: Final answer
    x = 367,899.61

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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.