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Finding the Fourth Proportional to 483,765.60, 725,864.40 and 168,448.80

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Solution

The fourth proportional to 483,765.60, 725,864.40 and 168,448.80 is: 252,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,765.60 : 725,864.40 = 168,448.80 : x
  2. Step 2: Convert to fraction form
    483,765.60/725,864.40 = 168,448.80/x
  3. Step 3: Cross multiply
    483,765.60x = 725,864.40 × 168,448.80
  4. Step 4: Simplify right side
    483,765.60x = 122,270,987,142.72
  5. Step 5: Solve for x
    x = 122,270,987,142.72/483,765.60
  6. Step 6: Final answer
    x = 252,748.41

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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.