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Finding the Fourth Proportional to 410,953.26, 616,491.16 and 126,620.02

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Solution

The fourth proportional to 410,953.26, 616,491.16 and 126,620.02 is: 189,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,953.26 : 616,491.16 = 126,620.02 : x
  2. Step 2: Convert to fraction form
    410,953.26/616,491.16 = 126,620.02/x
  3. Step 3: Cross multiply
    410,953.26x = 616,491.16 × 126,620.02
  4. Step 4: Simplify right side
    410,953.26x = 78,060,123,009.02
  5. Step 5: Solve for x
    x = 78,060,123,009.02/410,953.26
  6. Step 6: Final answer
    x = 189,948.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.