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Finding the Fourth Proportional to 322,402.60, 483,258.30 and 122,645.80

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Solution

The fourth proportional to 322,402.60, 483,258.30 and 122,645.80 is: 183,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,402.60 : 483,258.30 = 122,645.80 : x
  2. Step 2: Convert to fraction form
    322,402.60/483,258.30 = 122,645.80/x
  3. Step 3: Cross multiply
    322,402.60x = 483,258.30 × 122,645.80
  4. Step 4: Simplify right side
    322,402.60x = 59,269,600,810.14
  5. Step 5: Solve for x
    x = 59,269,600,810.14/322,402.60
  6. Step 6: Final answer
    x = 183,837.23

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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.