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Finding the Fourth Proportional to 543,051.80, 814,869.30 and 227,540.60

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Solution

The fourth proportional to 543,051.80, 814,869.30 and 227,540.60 is: 341,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,051.80 : 814,869.30 = 227,540.60 : x
  2. Step 2: Convert to fraction form
    543,051.80/814,869.30 = 227,540.60/x
  3. Step 3: Cross multiply
    543,051.80x = 814,869.30 × 227,540.60
  4. Step 4: Simplify right side
    543,051.80x = 185,415,849,443.58
  5. Step 5: Solve for x
    x = 185,415,849,443.58/543,051.80
  6. Step 6: Final answer
    x = 341,433.08

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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.