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Finding the Fourth Proportional to 481,499.04, 664,468.07 and 266,638.84

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Solution

The fourth proportional to 481,499.04, 664,468.07 and 266,638.84 is: 367,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,499.04 : 664,468.07 = 266,638.84 : x
  2. Step 2: Convert to fraction form
    481,499.04/664,468.07 = 266,638.84/x
  3. Step 3: Cross multiply
    481,499.04x = 664,468.07 × 266,638.84
  4. Step 4: Simplify right side
    481,499.04x = 177,172,996,399.07
  5. Step 5: Solve for x
    x = 177,172,996,399.07/481,499.04
  6. Step 6: Final answer
    x = 367,961.27

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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.