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Finding the Fourth Proportional to 339,366.24, 468,326.16 and 188,463.24

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Solution

The fourth proportional to 339,366.24, 468,326.16 and 188,463.24 is: 260,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,366.24 : 468,326.16 = 188,463.24 : x
  2. Step 2: Convert to fraction form
    339,366.24/468,326.16 = 188,463.24/x
  3. Step 3: Cross multiply
    339,366.24x = 468,326.16 × 188,463.24
  4. Step 4: Simplify right side
    339,366.24x = 88,262,265,490.36
  5. Step 5: Solve for x
    x = 88,262,265,490.36/339,366.24
  6. Step 6: Final answer
    x = 260,079.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.