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Finding the Fourth Proportional to 440,148.88, 660,270.84 and 140,524.48

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Solution

The fourth proportional to 440,148.88, 660,270.84 and 140,524.48 is: 210,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,148.88 : 660,270.84 = 140,524.48 : x
  2. Step 2: Convert to fraction form
    440,148.88/660,270.84 = 140,524.48/x
  3. Step 3: Cross multiply
    440,148.88x = 660,270.84 × 140,524.48
  4. Step 4: Simplify right side
    440,148.88x = 92,784,216,450.16
  5. Step 5: Solve for x
    x = 92,784,216,450.16/440,148.88
  6. Step 6: Final answer
    x = 210,801.89

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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.