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Finding the Fourth Proportional to 228,883.20, 342,633.60 and 201,235.20

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Solution

The fourth proportional to 228,883.20, 342,633.60 and 201,235.20 is: 301,245.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,883.20 : 342,633.60 = 201,235.20 : x
  2. Step 2: Convert to fraction form
    228,883.20/342,633.60 = 201,235.20/x
  3. Step 3: Cross multiply
    228,883.20x = 342,633.60 × 201,235.20
  4. Step 4: Simplify right side
    228,883.20x = 68,949,941,022.72
  5. Step 5: Solve for x
    x = 68,949,941,022.72/228,883.20
  6. Step 6: Final answer
    x = 301,245.09

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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.