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Finding the Fourth Proportional to 589,717.20, 883,668.60 and 439,251.60

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Solution

The fourth proportional to 589,717.20, 883,668.60 and 439,251.60 is: 658,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,717.20 : 883,668.60 = 439,251.60 : x
  2. Step 2: Convert to fraction form
    589,717.20/883,668.60 = 439,251.60/x
  3. Step 3: Cross multiply
    589,717.20x = 883,668.60 × 439,251.60
  4. Step 4: Simplify right side
    589,717.20x = 388,152,846,419.76
  5. Step 5: Solve for x
    x = 388,152,846,419.76/589,717.20
  6. Step 6: Final answer
    x = 658,201.67

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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.