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Finding the Fourth Proportional to 362,105.20, 543,352.20 and 151,764.40

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Solution

The fourth proportional to 362,105.20, 543,352.20 and 151,764.40 is: 227,728.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,105.20 : 543,352.20 = 151,764.40 : x
  2. Step 2: Convert to fraction form
    362,105.20/543,352.20 = 151,764.40/x
  3. Step 3: Cross multiply
    362,105.20x = 543,352.20 × 151,764.40
  4. Step 4: Simplify right side
    362,105.20x = 82,461,520,621.68
  5. Step 5: Solve for x
    x = 82,461,520,621.68/362,105.20
  6. Step 6: Final answer
    x = 227,728.08

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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.