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Finding the Fourth Proportional to 227,969.20, 341,953.80 and 217,082.80

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Solution

The fourth proportional to 227,969.20, 341,953.80 and 217,082.80 is: 325,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,969.20 : 341,953.80 = 217,082.80 : x
  2. Step 2: Convert to fraction form
    227,969.20/341,953.80 = 217,082.80/x
  3. Step 3: Cross multiply
    227,969.20x = 341,953.80 × 217,082.80
  4. Step 4: Simplify right side
    227,969.20x = 74,232,288,374.64
  5. Step 5: Solve for x
    x = 74,232,288,374.64/227,969.20
  6. Step 6: Final answer
    x = 325,624.20

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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.