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Finding the Fourth Proportional to 407,183.60, 610,480.08 and 273,732.80

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Solution

The fourth proportional to 407,183.60, 610,480.08 and 273,732.80 is: 410,400.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,183.60 : 610,480.08 = 273,732.80 : x
  2. Step 2: Convert to fraction form
    407,183.60/610,480.08 = 273,732.80/x
  3. Step 3: Cross multiply
    407,183.60x = 610,480.08 × 273,732.80
  4. Step 4: Simplify right side
    407,183.60x = 167,108,421,642.62
  5. Step 5: Solve for x
    x = 167,108,421,642.62/407,183.60
  6. Step 6: Final answer
    x = 410,400.67

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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.