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Finding the Fourth Proportional to 252,816.60, 379,662.30 and 134,718.60

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Solution

The fourth proportional to 252,816.60, 379,662.30 and 134,718.60 is: 202,310.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,816.60 : 379,662.30 = 134,718.60 : x
  2. Step 2: Convert to fraction form
    252,816.60/379,662.30 = 134,718.60/x
  3. Step 3: Cross multiply
    252,816.60x = 379,662.30 × 134,718.60
  4. Step 4: Simplify right side
    252,816.60x = 51,147,573,528.78
  5. Step 5: Solve for x
    x = 51,147,573,528.78/252,816.60
  6. Step 6: Final answer
    x = 202,310.98

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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.