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Finding the Fourth Proportional to 269,627.20, 404,440.80 and 194,977.60

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Solution

The fourth proportional to 269,627.20, 404,440.80 and 194,977.60 is: 292,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,627.20 : 404,440.80 = 194,977.60 : x
  2. Step 2: Convert to fraction form
    269,627.20/404,440.80 = 194,977.60/x
  3. Step 3: Cross multiply
    269,627.20x = 404,440.80 × 194,977.60
  4. Step 4: Simplify right side
    269,627.20x = 78,856,896,526.08
  5. Step 5: Solve for x
    x = 78,856,896,526.08/269,627.20
  6. Step 6: Final answer
    x = 292,466.40

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1.5x scale

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.