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Finding the Fourth Proportional to 395,449.02, 593,274.69 and 114,966.27

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Solution

The fourth proportional to 395,449.02, 593,274.69 and 114,966.27 is: 172,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,449.02 : 593,274.69 = 114,966.27 : x
  2. Step 2: Convert to fraction form
    395,449.02/593,274.69 = 114,966.27/x
  3. Step 3: Cross multiply
    395,449.02x = 593,274.69 × 114,966.27
  4. Step 4: Simplify right side
    395,449.02x = 68,206,578,194.71
  5. Step 5: Solve for x
    x = 68,206,578,194.71/395,449.02
  6. Step 6: Final answer
    x = 172,478.81

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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.