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Finding the Fourth Proportional to 306,244.55, 459,460.31 and 156,589.97

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Solution

The fourth proportional to 306,244.55, 459,460.31 and 156,589.97 is: 234,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,244.55 : 459,460.31 = 156,589.97 : x
  2. Step 2: Convert to fraction form
    306,244.55/459,460.31 = 156,589.97/x
  3. Step 3: Cross multiply
    306,244.55x = 459,460.31 × 156,589.97
  4. Step 4: Simplify right side
    306,244.55x = 71,946,873,078.84
  5. Step 5: Solve for x
    x = 71,946,873,078.84/306,244.55
  6. Step 6: Final answer
    x = 234,932.74

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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.