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Finding the Fourth Proportional to 293,282, 404,724.84 and 172,436.88

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Solution

The fourth proportional to 293,282, 404,724.84 and 172,436.88 is: 237,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,282 : 404,724.84 = 172,436.88 : x
  2. Step 2: Convert to fraction form
    293,282/404,724.84 = 172,436.88/x
  3. Step 3: Cross multiply
    293,282x = 404,724.84 × 172,436.88
  4. Step 4: Simplify right side
    293,282x = 69,789,488,668.10
  5. Step 5: Solve for x
    x = 69,789,488,668.10/293,282
  6. Step 6: Final answer
    x = 237,960.35

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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.