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Finding the Fourth Proportional to 567,082.89, 782,687.39 and 325,528.65

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Solution

The fourth proportional to 567,082.89, 782,687.39 and 325,528.65 is: 449,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,082.89 : 782,687.39 = 325,528.65 : x
  2. Step 2: Convert to fraction form
    567,082.89/782,687.39 = 325,528.65/x
  3. Step 3: Cross multiply
    567,082.89x = 782,687.39 × 325,528.65
  4. Step 4: Simplify right side
    567,082.89x = 254,787,167,811.08
  5. Step 5: Solve for x
    x = 254,787,167,811.08/567,082.89
  6. Step 6: Final answer
    x = 449,294.40

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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.