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Finding the Fourth Proportional to 273,488.36, 408,883.84 and 231,833.28

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Solution

The fourth proportional to 273,488.36, 408,883.84 and 231,833.28 is: 346,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,488.36 : 408,883.84 = 231,833.28 : x
  2. Step 2: Convert to fraction form
    273,488.36/408,883.84 = 231,833.28/x
  3. Step 3: Cross multiply
    273,488.36x = 408,883.84 × 231,833.28
  4. Step 4: Simplify right side
    273,488.36x = 94,792,881,766.20
  5. Step 5: Solve for x
    x = 94,792,881,766.20/273,488.36
  6. Step 6: Final answer
    x = 346,606.64

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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.