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Finding the Fourth Proportional to 273,453.74, 409,590.11 and 266,761.52

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Solution

The fourth proportional to 273,453.74, 409,590.11 and 266,761.52 is: 399,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,453.74 : 409,590.11 = 266,761.52 : x
  2. Step 2: Convert to fraction form
    273,453.74/409,590.11 = 266,761.52/x
  3. Step 3: Cross multiply
    273,453.74x = 409,590.11 × 266,761.52
  4. Step 4: Simplify right side
    273,453.74x = 109,262,876,938.81
  5. Step 5: Solve for x
    x = 109,262,876,938.81/273,453.74
  6. Step 6: Final answer
    x = 399,566.23

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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.