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Finding the Fourth Proportional to 366,880.80, 550,321.20 and 334,221.60

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Solution

The fourth proportional to 366,880.80, 550,321.20 and 334,221.60 is: 501,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,880.80 : 550,321.20 = 334,221.60 : x
  2. Step 2: Convert to fraction form
    366,880.80/550,321.20 = 334,221.60/x
  3. Step 3: Cross multiply
    366,880.80x = 550,321.20 × 334,221.60
  4. Step 4: Simplify right side
    366,880.80x = 183,929,231,977.92
  5. Step 5: Solve for x
    x = 183,929,231,977.92/366,880.80
  6. Step 6: Final answer
    x = 501,332.40

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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.