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Finding the Fourth Proportional to 399,558.48, 599,425.36 and 150,240.48

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Solution

The fourth proportional to 399,558.48, 599,425.36 and 150,240.48 is: 225,393.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,558.48 : 599,425.36 = 150,240.48 : x
  2. Step 2: Convert to fraction form
    399,558.48/599,425.36 = 150,240.48/x
  3. Step 3: Cross multiply
    399,558.48x = 599,425.36 × 150,240.48
  4. Step 4: Simplify right side
    399,558.48x = 90,057,953,810.57
  5. Step 5: Solve for x
    x = 90,057,953,810.57/399,558.48
  6. Step 6: Final answer
    x = 225,393.67

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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.