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Finding the Fourth Proportional to 540,040.46, 809,173.11 and 184,860.72

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Solution

The fourth proportional to 540,040.46, 809,173.11 and 184,860.72 is: 276,987.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,040.46 : 809,173.11 = 184,860.72 : x
  2. Step 2: Convert to fraction form
    540,040.46/809,173.11 = 184,860.72/x
  3. Step 3: Cross multiply
    540,040.46x = 809,173.11 × 184,860.72
  4. Step 4: Simplify right side
    540,040.46x = 149,584,324,817.87
  5. Step 5: Solve for x
    x = 149,584,324,817.87/540,040.46
  6. Step 6: Final answer
    x = 276,987.26

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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.