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Finding the Fourth Proportional to 306,556.52, 459,700.73 and 154,660.15

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Solution

The fourth proportional to 306,556.52, 459,700.73 and 154,660.15 is: 231,922.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,556.52 : 459,700.73 = 154,660.15 : x
  2. Step 2: Convert to fraction form
    306,556.52/459,700.73 = 154,660.15/x
  3. Step 3: Cross multiply
    306,556.52x = 459,700.73 × 154,660.15
  4. Step 4: Simplify right side
    306,556.52x = 71,097,381,652.39
  5. Step 5: Solve for x
    x = 71,097,381,652.39/306,556.52
  6. Step 6: Final answer
    x = 231,922.59

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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.