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Finding the Fourth Proportional to 320,153.65, 441,797.71 and 176,910.62

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Solution

The fourth proportional to 320,153.65, 441,797.71 and 176,910.62 is: 244,128.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,153.65 : 441,797.71 = 176,910.62 : x
  2. Step 2: Convert to fraction form
    320,153.65/441,797.71 = 176,910.62/x
  3. Step 3: Cross multiply
    320,153.65x = 441,797.71 × 176,910.62
  4. Step 4: Simplify right side
    320,153.65x = 78,158,706,790.68
  5. Step 5: Solve for x
    x = 78,158,706,790.68/320,153.65
  6. Step 6: Final answer
    x = 244,128.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.