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Finding the Fourth Proportional to 362,562.30, 543,843.45 and 325,820.70

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Solution

The fourth proportional to 362,562.30, 543,843.45 and 325,820.70 is: 488,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,562.30 : 543,843.45 = 325,820.70 : x
  2. Step 2: Convert to fraction form
    362,562.30/543,843.45 = 325,820.70/x
  3. Step 3: Cross multiply
    362,562.30x = 543,843.45 × 325,820.70
  4. Step 4: Simplify right side
    362,562.30x = 177,195,453,569.42
  5. Step 5: Solve for x
    x = 177,195,453,569.42/362,562.30
  6. Step 6: Final answer
    x = 488,731.05

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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.