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Finding the Fourth Proportional to 339,414.30, 509,121.45 and 181,950.30

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Solution

The fourth proportional to 339,414.30, 509,121.45 and 181,950.30 is: 272,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,414.30 : 509,121.45 = 181,950.30 : x
  2. Step 2: Convert to fraction form
    339,414.30/509,121.45 = 181,950.30/x
  3. Step 3: Cross multiply
    339,414.30x = 509,121.45 × 181,950.30
  4. Step 4: Simplify right side
    339,414.30x = 92,634,800,563.94
  5. Step 5: Solve for x
    x = 92,634,800,563.94/339,414.30
  6. Step 6: Final answer
    x = 272,925.45

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Similar ratio
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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.