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Finding the Fourth Proportional to 481,647.84, 664,674.08 and 266,801.82

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Solution

The fourth proportional to 481,647.84, 664,674.08 and 266,801.82 is: 368,186.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,647.84 : 664,674.08 = 266,801.82 : x
  2. Step 2: Convert to fraction form
    481,647.84/664,674.08 = 266,801.82/x
  3. Step 3: Cross multiply
    481,647.84x = 664,674.08 × 266,801.82
  4. Step 4: Simplify right side
    481,647.84x = 177,336,255,409.34
  5. Step 5: Solve for x
    x = 177,336,255,409.34/481,647.84
  6. Step 6: Final answer
    x = 368,186.54

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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.