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Finding the Fourth Proportional to 599,666.40, 899,845.20 and 225,957.60

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Solution

The fourth proportional to 599,666.40, 899,845.20 and 225,957.60 is: 339,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,666.40 : 899,845.20 = 225,957.60 : x
  2. Step 2: Convert to fraction form
    599,666.40/899,845.20 = 225,957.60/x
  3. Step 3: Cross multiply
    599,666.40x = 899,845.20 × 225,957.60
  4. Step 4: Simplify right side
    599,666.40x = 203,326,861,763.52
  5. Step 5: Solve for x
    x = 203,326,861,763.52/599,666.40
  6. Step 6: Final answer
    x = 339,066.62

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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.