Home / 366,960.20-550,440.30-331,530.80

Finding the Fourth Proportional to 366,960.20, 550,440.30 and 331,530.80

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Solution

The fourth proportional to 366,960.20, 550,440.30 and 331,530.80 is: 497,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,960.20 : 550,440.30 = 331,530.80 : x
  2. Step 2: Convert to fraction form
    366,960.20/550,440.30 = 331,530.80/x
  3. Step 3: Cross multiply
    366,960.20x = 550,440.30 × 331,530.80
  4. Step 4: Simplify right side
    366,960.20x = 182,487,913,011.24
  5. Step 5: Solve for x
    x = 182,487,913,011.24/366,960.20
  6. Step 6: Final answer
    x = 497,296.20

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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.