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Finding the Fourth Proportional to 363,628.40, 545,442.60 and 332,135.60

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Solution

The fourth proportional to 363,628.40, 545,442.60 and 332,135.60 is: 498,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,628.40 : 545,442.60 = 332,135.60 : x
  2. Step 2: Convert to fraction form
    363,628.40/545,442.60 = 332,135.60/x
  3. Step 3: Cross multiply
    363,628.40x = 545,442.60 × 332,135.60
  4. Step 4: Simplify right side
    363,628.40x = 181,160,905,216.56
  5. Step 5: Solve for x
    x = 181,160,905,216.56/363,628.40
  6. Step 6: Final answer
    x = 498,203.40

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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.