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Finding the Fourth Proportional to 252,030.51, 347,479.28 and 206,540.91

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Solution

The fourth proportional to 252,030.51, 347,479.28 and 206,540.91 is: 284,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,030.51 : 347,479.28 = 206,540.91 : x
  2. Step 2: Convert to fraction form
    252,030.51/347,479.28 = 206,540.91/x
  3. Step 3: Cross multiply
    252,030.51x = 347,479.28 × 206,540.91
  4. Step 4: Simplify right side
    252,030.51x = 71,768,685,664.64
  5. Step 5: Solve for x
    x = 71,768,685,664.64/252,030.51
  6. Step 6: Final answer
    x = 284,761.90

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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.