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Finding the Fourth Proportional to 376,943.63, 520,186.23 and 204,861.60

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Solution

The fourth proportional to 376,943.63, 520,186.23 and 204,861.60 is: 282,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,943.63 : 520,186.23 = 204,861.60 : x
  2. Step 2: Convert to fraction form
    376,943.63/520,186.23 = 204,861.60/x
  3. Step 3: Cross multiply
    376,943.63x = 520,186.23 × 204,861.60
  4. Step 4: Simplify right side
    376,943.63x = 106,566,183,375.77
  5. Step 5: Solve for x
    x = 106,566,183,375.77/376,943.63
  6. Step 6: Final answer
    x = 282,711.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.