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Finding the Fourth Proportional to 344,707.11, 475,565.18 and 213,824.21

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Solution

The fourth proportional to 344,707.11, 475,565.18 and 213,824.21 is: 294,996.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,707.11 : 475,565.18 = 213,824.21 : x
  2. Step 2: Convert to fraction form
    344,707.11/475,565.18 = 213,824.21/x
  3. Step 3: Cross multiply
    344,707.11x = 475,565.18 × 213,824.21
  4. Step 4: Simplify right side
    344,707.11x = 101,687,345,470.06
  5. Step 5: Solve for x
    x = 101,687,345,470.06/344,707.11
  6. Step 6: Final answer
    x = 294,996.37

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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.