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Finding the Fourth Proportional to 443,533.37, 612,076.29 and 239,584.29

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Solution

The fourth proportional to 443,533.37, 612,076.29 and 239,584.29 is: 330,626.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,533.37 : 612,076.29 = 239,584.29 : x
  2. Step 2: Convert to fraction form
    443,533.37/612,076.29 = 239,584.29/x
  3. Step 3: Cross multiply
    443,533.37x = 612,076.29 × 239,584.29
  4. Step 4: Simplify right side
    443,533.37x = 146,643,863,365.48
  5. Step 5: Solve for x
    x = 146,643,863,365.48/443,533.37
  6. Step 6: Final answer
    x = 330,626.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.