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Finding the Fourth Proportional to 313,527.62, 469,969.32 and 123,910.94

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Solution

The fourth proportional to 313,527.62, 469,969.32 and 123,910.94 is: 185,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,527.62 : 469,969.32 = 123,910.94 : x
  2. Step 2: Convert to fraction form
    313,527.62/469,969.32 = 123,910.94/x
  3. Step 3: Cross multiply
    313,527.62x = 469,969.32 × 123,910.94
  4. Step 4: Simplify right side
    313,527.62x = 58,234,340,212.36
  5. Step 5: Solve for x
    x = 58,234,340,212.36/313,527.62
  6. Step 6: Final answer
    x = 185,739.11

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1.5x scale

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.