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Finding the Fourth Proportional to 502,965.06, 754,540.86 and 166,029.18

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Solution

The fourth proportional to 502,965.06, 754,540.86 and 166,029.18 is: 249,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,965.06 : 754,540.86 = 166,029.18 : x
  2. Step 2: Convert to fraction form
    502,965.06/754,540.86 = 166,029.18/x
  3. Step 3: Cross multiply
    502,965.06x = 754,540.86 × 166,029.18
  4. Step 4: Simplify right side
    502,965.06x = 125,275,800,262.30
  5. Step 5: Solve for x
    x = 125,275,800,262.30/502,965.06
  6. Step 6: Final answer
    x = 249,074.56

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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.