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Finding the Fourth Proportional to 301,473.60, 451,821.60 and 231,003.60

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Solution

The fourth proportional to 301,473.60, 451,821.60 and 231,003.60 is: 346,207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,473.60 : 451,821.60 = 231,003.60 : x
  2. Step 2: Convert to fraction form
    301,473.60/451,821.60 = 231,003.60/x
  3. Step 3: Cross multiply
    301,473.60x = 451,821.60 × 231,003.60
  4. Step 4: Simplify right side
    301,473.60x = 104,372,416,157.76
  5. Step 5: Solve for x
    x = 104,372,416,157.76/301,473.60
  6. Step 6: Final answer
    x = 346,207.48

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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.