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Finding the Fourth Proportional to 297,800.00, 411,059.77 and 190,658.60

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Solution

The fourth proportional to 297,800.00, 411,059.77 and 190,658.60 is: 263,170.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,800.00 : 411,059.77 = 190,658.60 : x
  2. Step 2: Convert to fraction form
    297,800.00/411,059.77 = 190,658.60/x
  3. Step 3: Cross multiply
    297,800.00x = 411,059.77 × 190,658.60
  4. Step 4: Simplify right side
    297,800.00x = 78,372,078,209.22
  5. Step 5: Solve for x
    x = 78,372,078,209.22/297,800.00
  6. Step 6: Final answer
    x = 263,170.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.