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Finding the Fourth Proportional to 323,218.52, 484,665.56 and 188,326.18

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Solution

The fourth proportional to 323,218.52, 484,665.56 and 188,326.18 is: 282,394.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,218.52 : 484,665.56 = 188,326.18 : x
  2. Step 2: Convert to fraction form
    323,218.52/484,665.56 = 188,326.18/x
  3. Step 3: Cross multiply
    323,218.52x = 484,665.56 × 188,326.18
  4. Step 4: Simplify right side
    323,218.52x = 91,275,213,862.79
  5. Step 5: Solve for x
    x = 91,275,213,862.79/323,218.52
  6. Step 6: Final answer
    x = 282,394.75

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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.