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Finding the Fourth Proportional to 493,628.20, 740,223.60 and 227,470.30

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Solution

The fourth proportional to 493,628.20, 740,223.60 and 227,470.30 is: 341,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,628.20 : 740,223.60 = 227,470.30 : x
  2. Step 2: Convert to fraction form
    493,628.20/740,223.60 = 227,470.30/x
  3. Step 3: Cross multiply
    493,628.20x = 740,223.60 × 227,470.30
  4. Step 4: Simplify right side
    493,628.20x = 168,378,884,359.08
  5. Step 5: Solve for x
    x = 168,378,884,359.08/493,628.20
  6. Step 6: Final answer
    x = 341,104.67

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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.