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Finding the Fourth Proportional to 360,433.92, 540,650.92 and 135,844.75

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Solution

The fourth proportional to 360,433.92, 540,650.92 and 135,844.75 is: 203,767.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,433.92 : 540,650.92 = 135,844.75 : x
  2. Step 2: Convert to fraction form
    360,433.92/540,650.92 = 135,844.75/x
  3. Step 3: Cross multiply
    360,433.92x = 540,650.92 × 135,844.75
  4. Step 4: Simplify right side
    360,433.92x = 73,444,589,064.67
  5. Step 5: Solve for x
    x = 73,444,589,064.67/360,433.92
  6. Step 6: Final answer
    x = 203,767.14

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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.