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Finding the Fourth Proportional to 360,227.27, 540,340.83 and 135,638.03

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Solution

The fourth proportional to 360,227.27, 540,340.83 and 135,638.03 is: 203,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,227.27 : 540,340.83 = 135,638.03 : x
  2. Step 2: Convert to fraction form
    360,227.27/540,340.83 = 135,638.03/x
  3. Step 3: Cross multiply
    360,227.27x = 540,340.83 × 135,638.03
  4. Step 4: Simplify right side
    360,227.27x = 73,290,763,008.06
  5. Step 5: Solve for x
    x = 73,290,763,008.06/360,227.27
  6. Step 6: Final answer
    x = 203,457.01

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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.