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Finding the Fourth Proportional to 481,650.84, 664,678.22 and 266,804.82

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Solution

The fourth proportional to 481,650.84, 664,678.22 and 266,804.82 is: 368,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,650.84 : 664,678.22 = 266,804.82 : x
  2. Step 2: Convert to fraction form
    481,650.84/664,678.22 = 266,804.82/x
  3. Step 3: Cross multiply
    481,650.84x = 664,678.22 × 266,804.82
  4. Step 4: Simplify right side
    481,650.84x = 177,339,352,845.02
  5. Step 5: Solve for x
    x = 177,339,352,845.02/481,650.84
  6. Step 6: Final answer
    x = 368,190.69

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1.5x scale

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.