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Finding the Fourth Proportional to 392,615.60, 589,537.80 and 226,727.60

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Solution

The fourth proportional to 392,615.60, 589,537.80 and 226,727.60 is: 340,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,615.60 : 589,537.80 = 226,727.60 : x
  2. Step 2: Convert to fraction form
    392,615.60/589,537.80 = 226,727.60/x
  3. Step 3: Cross multiply
    392,615.60x = 589,537.80 × 226,727.60
  4. Step 4: Simplify right side
    392,615.60x = 133,664,490,503.28
  5. Step 5: Solve for x
    x = 133,664,490,503.28/392,615.60
  6. Step 6: Final answer
    x = 340,446.20

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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.