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Finding the Fourth Proportional to 303,598.23, 454,788.23 and 278,796.03

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Solution

The fourth proportional to 303,598.23, 454,788.23 and 278,796.03 is: 417,634.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,598.23 : 454,788.23 = 278,796.03 : x
  2. Step 2: Convert to fraction form
    303,598.23/454,788.23 = 278,796.03/x
  3. Step 3: Cross multiply
    303,598.23x = 454,788.23 × 278,796.03
  4. Step 4: Simplify right side
    303,598.23x = 126,793,151,620.75
  5. Step 5: Solve for x
    x = 126,793,151,620.75/303,598.23
  6. Step 6: Final answer
    x = 417,634.69

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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.