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Finding the Fourth Proportional to 481,698.52, 664,735.04 and 266,833.88

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Solution

The fourth proportional to 481,698.52, 664,735.04 and 266,833.88 is: 368,225.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,698.52 : 664,735.04 = 266,833.88 : x
  2. Step 2: Convert to fraction form
    481,698.52/664,735.04 = 266,833.88/x
  3. Step 3: Cross multiply
    481,698.52x = 664,735.04 × 266,833.88
  4. Step 4: Simplify right side
    481,698.52x = 177,373,829,895.16
  5. Step 5: Solve for x
    x = 177,373,829,895.16/481,698.52
  6. Step 6: Final answer
    x = 368,225.81

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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.