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Finding the Fourth Proportional to 481,558.14, 664,549.97 and 266,698.01

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Solution

The fourth proportional to 481,558.14, 664,549.97 and 266,698.01 is: 368,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,558.14 : 664,549.97 = 266,698.01 : x
  2. Step 2: Convert to fraction form
    481,558.14/664,549.97 = 266,698.01/x
  3. Step 3: Cross multiply
    481,558.14x = 664,549.97 × 266,698.01
  4. Step 4: Simplify right side
    481,558.14x = 177,234,149,888.32
  5. Step 5: Solve for x
    x = 177,234,149,888.32/481,558.14
  6. Step 6: Final answer
    x = 368,043.10

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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.