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Finding the Fourth Proportional to 362,202.40, 543,303.60 and 236,231.20

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Solution

The fourth proportional to 362,202.40, 543,303.60 and 236,231.20 is: 354,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,202.40 : 543,303.60 = 236,231.20 : x
  2. Step 2: Convert to fraction form
    362,202.40/543,303.60 = 236,231.20/x
  3. Step 3: Cross multiply
    362,202.40x = 543,303.60 × 236,231.20
  4. Step 4: Simplify right side
    362,202.40x = 128,345,261,392.32
  5. Step 5: Solve for x
    x = 128,345,261,392.32/362,202.40
  6. Step 6: Final answer
    x = 354,346.80

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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.