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Finding the Fourth Proportional to 366,984.80, 550,801.20 and 217,037.60

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Solution

The fourth proportional to 366,984.80, 550,801.20 and 217,037.60 is: 325,748.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,984.80 : 550,801.20 = 217,037.60 : x
  2. Step 2: Convert to fraction form
    366,984.80/550,801.20 = 217,037.60/x
  3. Step 3: Cross multiply
    366,984.80x = 550,801.20 × 217,037.60
  4. Step 4: Simplify right side
    366,984.80x = 119,544,570,525.12
  5. Step 5: Solve for x
    x = 119,544,570,525.12/366,984.80
  6. Step 6: Final answer
    x = 325,748.02

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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.