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Finding the Fourth Proportional to 367,008.98, 550,454.54 and 100,707.30

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Solution

The fourth proportional to 367,008.98, 550,454.54 and 100,707.30 is: 151,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,008.98 : 550,454.54 = 100,707.30 : x
  2. Step 2: Convert to fraction form
    367,008.98/550,454.54 = 100,707.30/x
  3. Step 3: Cross multiply
    367,008.98x = 550,454.54 × 100,707.30
  4. Step 4: Simplify right side
    367,008.98x = 55,434,789,992.61
  5. Step 5: Solve for x
    x = 55,434,789,992.61/367,008.98
  6. Step 6: Final answer
    x = 151,044.78

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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.