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Finding the Fourth Proportional to 540,012.96, 810,105.84 and 273,665.52

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Solution

The fourth proportional to 540,012.96, 810,105.84 and 273,665.52 is: 410,542.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,012.96 : 810,105.84 = 273,665.52 : x
  2. Step 2: Convert to fraction form
    540,012.96/810,105.84 = 273,665.52/x
  3. Step 3: Cross multiply
    540,012.96x = 810,105.84 × 273,665.52
  4. Step 4: Simplify right side
    540,012.96x = 221,698,035,958.64
  5. Step 5: Solve for x
    x = 221,698,035,958.64/540,012.96
  6. Step 6: Final answer
    x = 410,542.07

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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.