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Finding the Fourth Proportional to 342,245.50, 510,861.46 and 301,844.68

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Solution

The fourth proportional to 342,245.50, 510,861.46 and 301,844.68 is: 450,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,245.50 : 510,861.46 = 301,844.68 : x
  2. Step 2: Convert to fraction form
    342,245.50/510,861.46 = 301,844.68/x
  3. Step 3: Cross multiply
    342,245.50x = 510,861.46 × 301,844.68
  4. Step 4: Simplify right side
    342,245.50x = 154,200,813,918.03
  5. Step 5: Solve for x
    x = 154,200,813,918.03/342,245.50
  6. Step 6: Final answer
    x = 450,556.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.