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Finding the Fourth Proportional to 333,391.63, 499,582.30 and 220,668.02

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Solution

The fourth proportional to 333,391.63, 499,582.30 and 220,668.02 is: 330,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,391.63 : 499,582.30 = 220,668.02 : x
  2. Step 2: Convert to fraction form
    333,391.63/499,582.30 = 220,668.02/x
  3. Step 3: Cross multiply
    333,391.63x = 499,582.30 × 220,668.02
  4. Step 4: Simplify right side
    333,391.63x = 110,241,834,470.14
  5. Step 5: Solve for x
    x = 110,241,834,470.14/333,391.63
  6. Step 6: Final answer
    x = 330,667.67

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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.