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Finding the Fourth Proportional to 332,468.37, 499,013.60 and 164,178.72

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Solution

The fourth proportional to 332,468.37, 499,013.60 and 164,178.72 is: 246,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,468.37 : 499,013.60 = 164,178.72 : x
  2. Step 2: Convert to fraction form
    332,468.37/499,013.60 = 164,178.72/x
  3. Step 3: Cross multiply
    332,468.37x = 499,013.60 × 164,178.72
  4. Step 4: Simplify right side
    332,468.37x = 81,927,413,289.70
  5. Step 5: Solve for x
    x = 81,927,413,289.70/332,468.37
  6. Step 6: Final answer
    x = 246,421.68

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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.