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Finding the Fourth Proportional to 440,447.76, 660,770.06 and 140,946.31

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Solution

The fourth proportional to 440,447.76, 660,770.06 and 140,946.31 is: 211,450.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,447.76 : 660,770.06 = 140,946.31 : x
  2. Step 2: Convert to fraction form
    440,447.76/660,770.06 = 140,946.31/x
  3. Step 3: Cross multiply
    440,447.76x = 660,770.06 × 140,946.31
  4. Step 4: Simplify right side
    440,447.76x = 93,133,101,715.48
  5. Step 5: Solve for x
    x = 93,133,101,715.48/440,447.76
  6. Step 6: Final answer
    x = 211,450.96

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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.