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Finding the Fourth Proportional to 395,423.63, 593,151.85 and 114,940.88

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Solution

The fourth proportional to 395,423.63, 593,151.85 and 114,940.88 is: 172,416.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,423.63 : 593,151.85 = 114,940.88 : x
  2. Step 2: Convert to fraction form
    395,423.63/593,151.85 = 114,940.88/x
  3. Step 3: Cross multiply
    395,423.63x = 593,151.85 × 114,940.88
  4. Step 4: Simplify right side
    395,423.63x = 68,177,393,555.04
  5. Step 5: Solve for x
    x = 68,177,393,555.04/395,423.63
  6. Step 6: Final answer
    x = 172,416.08

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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.