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Finding the Fourth Proportional to 481,047.04, 721,412.16 and 165,496.96

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Solution

The fourth proportional to 481,047.04, 721,412.16 and 165,496.96 is: 248,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,047.04 : 721,412.16 = 165,496.96 : x
  2. Step 2: Convert to fraction form
    481,047.04/721,412.16 = 165,496.96/x
  3. Step 3: Cross multiply
    481,047.04x = 721,412.16 × 165,496.96
  4. Step 4: Simplify right side
    481,047.04x = 119,391,519,387.03
  5. Step 5: Solve for x
    x = 119,391,519,387.03/481,047.04
  6. Step 6: Final answer
    x = 248,190.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.