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Finding the Fourth Proportional to 362,555.80, 543,833.70 and 325,814.20

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Solution

The fourth proportional to 362,555.80, 543,833.70 and 325,814.20 is: 488,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,555.80 : 543,833.70 = 325,814.20 : x
  2. Step 2: Convert to fraction form
    362,555.80/543,833.70 = 325,814.20/x
  3. Step 3: Cross multiply
    362,555.80x = 543,833.70 × 325,814.20
  4. Step 4: Simplify right side
    362,555.80x = 177,188,741,898.54
  5. Step 5: Solve for x
    x = 177,188,741,898.54/362,555.80
  6. Step 6: Final answer
    x = 488,721.30

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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.