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Finding the Fourth Proportional to 360,224.82, 540,275.94 and 120,311.52

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Solution

The fourth proportional to 360,224.82, 540,275.94 and 120,311.52 is: 180,446.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,224.82 : 540,275.94 = 120,311.52 : x
  2. Step 2: Convert to fraction form
    360,224.82/540,275.94 = 120,311.52/x
  3. Step 3: Cross multiply
    360,224.82x = 540,275.94 × 120,311.52
  4. Step 4: Simplify right side
    360,224.82x = 65,001,419,560.83
  5. Step 5: Solve for x
    x = 65,001,419,560.83/360,224.82
  6. Step 6: Final answer
    x = 180,446.81

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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.