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Finding the Fourth Proportional to 363,294.80, 544,942.20 and 323,205.20

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Solution

The fourth proportional to 363,294.80, 544,942.20 and 323,205.20 is: 484,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,294.80 : 544,942.20 = 323,205.20 : x
  2. Step 2: Convert to fraction form
    363,294.80/544,942.20 = 323,205.20/x
  3. Step 3: Cross multiply
    363,294.80x = 544,942.20 × 323,205.20
  4. Step 4: Simplify right side
    363,294.80x = 176,128,152,739.44
  5. Step 5: Solve for x
    x = 176,128,152,739.44/363,294.80
  6. Step 6: Final answer
    x = 484,807.80

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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.