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Finding the Fourth Proportional to 366,836.64, 550,410.48 and 200,430.24

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Solution

The fourth proportional to 366,836.64, 550,410.48 and 200,430.24 is: 300,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,836.64 : 550,410.48 = 200,430.24 : x
  2. Step 2: Convert to fraction form
    366,836.64/550,410.48 = 200,430.24/x
  3. Step 3: Cross multiply
    366,836.64x = 550,410.48 × 200,430.24
  4. Step 4: Simplify right side
    366,836.64x = 110,318,904,604.92
  5. Step 5: Solve for x
    x = 110,318,904,604.92/366,836.64
  6. Step 6: Final answer
    x = 300,730.33

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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.