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Finding the Fourth Proportional to 481,605.10, 722,623.65 and 166,288.30

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Solution

The fourth proportional to 481,605.10, 722,623.65 and 166,288.30 is: 249,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,605.10 : 722,623.65 = 166,288.30 : x
  2. Step 2: Convert to fraction form
    481,605.10/722,623.65 = 166,288.30/x
  3. Step 3: Cross multiply
    481,605.10x = 722,623.65 × 166,288.30
  4. Step 4: Simplify right side
    481,605.10x = 120,163,858,298.30
  5. Step 5: Solve for x
    x = 120,163,858,298.30/481,605.10
  6. Step 6: Final answer
    x = 249,507.03

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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.