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Finding the Fourth Proportional to 252,068.80, 378,103.20 and 224,512.60

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Solution

The fourth proportional to 252,068.80, 378,103.20 and 224,512.60 is: 336,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,068.80 : 378,103.20 = 224,512.60 : x
  2. Step 2: Convert to fraction form
    252,068.80/378,103.20 = 224,512.60/x
  3. Step 3: Cross multiply
    252,068.80x = 378,103.20 × 224,512.60
  4. Step 4: Simplify right side
    252,068.80x = 84,888,932,500.32
  5. Step 5: Solve for x
    x = 84,888,932,500.32/252,068.80
  6. Step 6: Final answer
    x = 336,768.90

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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.