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Finding the Fourth Proportional to 360,500.21, 540,751.46 and 135,800.27

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Solution

The fourth proportional to 360,500.21, 540,751.46 and 135,800.27 is: 203,700.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,500.21 : 540,751.46 = 135,800.27 : x
  2. Step 2: Convert to fraction form
    360,500.21/540,751.46 = 135,800.27/x
  3. Step 3: Cross multiply
    360,500.21x = 540,751.46 × 135,800.27
  4. Step 4: Simplify right side
    360,500.21x = 73,434,190,888.14
  5. Step 5: Solve for x
    x = 73,434,190,888.14/360,500.21
  6. Step 6: Final answer
    x = 203,700.83

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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.