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Finding the Fourth Proportional to 322,323.49, 483,695.03 and 122,645.53

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Solution

The fourth proportional to 322,323.49, 483,695.03 and 122,645.53 is: 184,048.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,323.49 : 483,695.03 = 122,645.53 : x
  2. Step 2: Convert to fraction form
    322,323.49/483,695.03 = 122,645.53/x
  3. Step 3: Cross multiply
    322,323.49x = 483,695.03 × 122,645.53
  4. Step 4: Simplify right side
    322,323.49x = 59,323,033,312.72
  5. Step 5: Solve for x
    x = 59,323,033,312.72/322,323.49
  6. Step 6: Final answer
    x = 184,048.12

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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.