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Finding the Fourth Proportional to 469,289.70, 703,872.11 and 132,357.41

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Solution

The fourth proportional to 469,289.70, 703,872.11 and 132,357.41 is: 198,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,289.70 : 703,872.11 = 132,357.41 : x
  2. Step 2: Convert to fraction form
    469,289.70/703,872.11 = 132,357.41/x
  3. Step 3: Cross multiply
    469,289.70x = 703,872.11 × 132,357.41
  4. Step 4: Simplify right side
    469,289.70x = 93,162,685,269.69
  5. Step 5: Solve for x
    x = 93,162,685,269.69/469,289.70
  6. Step 6: Final answer
    x = 198,518.50

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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.