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Finding the Fourth Proportional to 322,302.21, 483,663.21 and 122,624.32

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Solution

The fourth proportional to 322,302.21, 483,663.21 and 122,624.32 is: 184,016.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,302.21 : 483,663.21 = 122,624.32 : x
  2. Step 2: Convert to fraction form
    322,302.21/483,663.21 = 122,624.32/x
  3. Step 3: Cross multiply
    322,302.21x = 483,663.21 × 122,624.32
  4. Step 4: Simplify right side
    322,302.21x = 59,308,872,603.54
  5. Step 5: Solve for x
    x = 59,308,872,603.54/322,302.21
  6. Step 6: Final answer
    x = 184,016.34

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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.