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Finding the Fourth Proportional to 273,139.29, 411,894.72 and 269,399.52

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Solution

The fourth proportional to 273,139.29, 411,894.72 and 269,399.52 is: 406,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,139.29 : 411,894.72 = 269,399.52 : x
  2. Step 2: Convert to fraction form
    273,139.29/411,894.72 = 269,399.52/x
  3. Step 3: Cross multiply
    273,139.29x = 411,894.72 × 269,399.52
  4. Step 4: Simplify right side
    273,139.29x = 110,964,239,858.53
  5. Step 5: Solve for x
    x = 110,964,239,858.53/273,139.29
  6. Step 6: Final answer
    x = 406,255.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.