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Finding the Fourth Proportional to 319,993.52, 441,582.58 and 176,750.48

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Solution

The fourth proportional to 319,993.52, 441,582.58 and 176,750.48 is: 243,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,993.52 : 441,582.58 = 176,750.48 : x
  2. Step 2: Convert to fraction form
    319,993.52/441,582.58 = 176,750.48/x
  3. Step 3: Cross multiply
    319,993.52x = 441,582.58 × 176,750.48
  4. Step 4: Simplify right side
    319,993.52x = 78,049,930,324.85
  5. Step 5: Solve for x
    x = 78,049,930,324.85/319,993.52
  6. Step 6: Final answer
    x = 243,910.98

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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.