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Finding the Fourth Proportional to 322,410.70, 483,620.10 and 97,773.40

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Solution

The fourth proportional to 322,410.70, 483,620.10 and 97,773.40 is: 146,661.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,410.70 : 483,620.10 = 97,773.40 : x
  2. Step 2: Convert to fraction form
    322,410.70/483,620.10 = 97,773.40/x
  3. Step 3: Cross multiply
    322,410.70x = 483,620.10 × 97,773.40
  4. Step 4: Simplify right side
    322,410.70x = 47,285,181,485.34
  5. Step 5: Solve for x
    x = 47,285,181,485.34/322,410.70
  6. Step 6: Final answer
    x = 146,661.33

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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.