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Finding the Fourth Proportional to 322,313.62, 483,397.52 and 122,562.76

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Solution

The fourth proportional to 322,313.62, 483,397.52 and 122,562.76 is: 183,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,313.62 : 483,397.52 = 122,562.76 : x
  2. Step 2: Convert to fraction form
    322,313.62/483,397.52 = 122,562.76/x
  3. Step 3: Cross multiply
    322,313.62x = 483,397.52 × 122,562.76
  4. Step 4: Simplify right side
    322,313.62x = 59,246,534,228.36
  5. Step 5: Solve for x
    x = 59,246,534,228.36/322,313.62
  6. Step 6: Final answer
    x = 183,816.42

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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.