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Finding the Fourth Proportional to 481,725.04, 664,780.08 and 266,878.48

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Solution

The fourth proportional to 481,725.04, 664,780.08 and 266,878.48 is: 368,292.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,725.04 : 664,780.08 = 266,878.48 : x
  2. Step 2: Convert to fraction form
    481,725.04/664,780.08 = 266,878.48/x
  3. Step 3: Cross multiply
    481,725.04x = 664,780.08 × 266,878.48
  4. Step 4: Simplify right side
    481,725.04x = 177,415,497,284.68
  5. Step 5: Solve for x
    x = 177,415,497,284.68/481,725.04
  6. Step 6: Final answer
    x = 368,292.04

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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.