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Finding the Fourth Proportional to 243,854.82, 335,771.82 and 213,470.10

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Solution

The fourth proportional to 243,854.82, 335,771.82 and 213,470.10 is: 293,934.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,854.82 : 335,771.82 = 213,470.10 : x
  2. Step 2: Convert to fraction form
    243,854.82/335,771.82 = 213,470.10/x
  3. Step 3: Cross multiply
    243,854.82x = 335,771.82 × 213,470.10
  4. Step 4: Simplify right side
    243,854.82x = 71,677,243,992.58
  5. Step 5: Solve for x
    x = 71,677,243,992.58/243,854.82
  6. Step 6: Final answer
    x = 293,934.09

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1.5x scale

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.