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Finding the Fourth Proportional to 395,423.25, 593,151.29 and 114,940.50

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Solution

The fourth proportional to 395,423.25, 593,151.29 and 114,940.50 is: 172,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,423.25 : 593,151.29 = 114,940.50 : x
  2. Step 2: Convert to fraction form
    395,423.25/593,151.29 = 114,940.50/x
  3. Step 3: Cross multiply
    395,423.25x = 593,151.29 × 114,940.50
  4. Step 4: Simplify right side
    395,423.25x = 68,177,105,848.25
  5. Step 5: Solve for x
    x = 68,177,105,848.25/395,423.25
  6. Step 6: Final answer
    x = 172,415.52

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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.