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Finding the Fourth Proportional to 554,753.40, 765,558.03 and 300,104.52

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Solution

The fourth proportional to 554,753.40, 765,558.03 and 300,104.52 is: 414,143.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,753.40 : 765,558.03 = 300,104.52 : x
  2. Step 2: Convert to fraction form
    554,753.40/765,558.03 = 300,104.52/x
  3. Step 3: Cross multiply
    554,753.40x = 765,558.03 × 300,104.52
  4. Step 4: Simplify right side
    554,753.40x = 229,747,425,125.30
  5. Step 5: Solve for x
    x = 229,747,425,125.30/554,753.40
  6. Step 6: Final answer
    x = 414,143.34

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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.