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Finding the Fourth Proportional to 362,218.10, 543,327.15 and 355,997.30

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Solution

The fourth proportional to 362,218.10, 543,327.15 and 355,997.30 is: 533,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,218.10 : 543,327.15 = 355,997.30 : x
  2. Step 2: Convert to fraction form
    362,218.10/543,327.15 = 355,997.30/x
  3. Step 3: Cross multiply
    362,218.10x = 543,327.15 × 355,997.30
  4. Step 4: Simplify right side
    362,218.10x = 193,422,998,416.70
  5. Step 5: Solve for x
    x = 193,422,998,416.70/362,218.10
  6. Step 6: Final answer
    x = 533,995.95

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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.