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Finding the Fourth Proportional to 395,186.70, 591,030.45 and 332,201.10

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Solution

The fourth proportional to 395,186.70, 591,030.45 and 332,201.10 is: 496,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,186.70 : 591,030.45 = 332,201.10 : x
  2. Step 2: Convert to fraction form
    395,186.70/591,030.45 = 332,201.10/x
  3. Step 3: Cross multiply
    395,186.70x = 591,030.45 × 332,201.10
  4. Step 4: Simplify right side
    395,186.70x = 196,340,965,623.50
  5. Step 5: Solve for x
    x = 196,340,965,623.50/395,186.70
  6. Step 6: Final answer
    x = 496,830.90

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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.