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Finding the Fourth Proportional to 341,123.20, 511,976.40 and 151,874.80

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Solution

The fourth proportional to 341,123.20, 511,976.40 and 151,874.80 is: 227,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,123.20 : 511,976.40 = 151,874.80 : x
  2. Step 2: Convert to fraction form
    341,123.20/511,976.40 = 151,874.80/x
  3. Step 3: Cross multiply
    341,123.20x = 511,976.40 × 151,874.80
  4. Step 4: Simplify right side
    341,123.20x = 77,756,313,354.72
  5. Step 5: Solve for x
    x = 77,756,313,354.72/341,123.20
  6. Step 6: Final answer
    x = 227,942.03

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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.