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Finding the Fourth Proportional to 325,600.79, 449,082.00 and 285,244.49

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Solution

The fourth proportional to 325,600.79, 449,082.00 and 285,244.49 is: 393,420.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,600.79 : 449,082.00 = 285,244.49 : x
  2. Step 2: Convert to fraction form
    325,600.79/449,082.00 = 285,244.49/x
  3. Step 3: Cross multiply
    325,600.79x = 449,082.00 × 285,244.49
  4. Step 4: Simplify right side
    325,600.79x = 128,098,163,852.55
  5. Step 5: Solve for x
    x = 128,098,163,852.55/325,600.79
  6. Step 6: Final answer
    x = 393,420.93

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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.