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Finding the Fourth Proportional to 363,880.20, 545,042.70 and 301,672.20

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Solution

The fourth proportional to 363,880.20, 545,042.70 and 301,672.20 is: 451,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,880.20 : 545,042.70 = 301,672.20 : x
  2. Step 2: Convert to fraction form
    363,880.20/545,042.70 = 301,672.20/x
  3. Step 3: Cross multiply
    363,880.20x = 545,042.70 × 301,672.20
  4. Step 4: Simplify right side
    363,880.20x = 164,424,230,402.94
  5. Step 5: Solve for x
    x = 164,424,230,402.94/363,880.20
  6. Step 6: Final answer
    x = 451,863.64

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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.