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Finding the Fourth Proportional to 547,233.60, 820,850.40 and 173,256.60

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Solution

The fourth proportional to 547,233.60, 820,850.40 and 173,256.60 is: 259,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,233.60 : 820,850.40 = 173,256.60 : x
  2. Step 2: Convert to fraction form
    547,233.60/820,850.40 = 173,256.60/x
  3. Step 3: Cross multiply
    547,233.60x = 820,850.40 × 173,256.60
  4. Step 4: Simplify right side
    547,233.60x = 142,217,749,412.64
  5. Step 5: Solve for x
    x = 142,217,749,412.64/547,233.60
  6. Step 6: Final answer
    x = 259,884.90

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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.