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Finding the Fourth Proportional to 454,850.55, 682,275.78 and 255,311.10

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Solution

The fourth proportional to 454,850.55, 682,275.78 and 255,311.10 is: 382,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,850.55 : 682,275.78 = 255,311.10 : x
  2. Step 2: Convert to fraction form
    454,850.55/682,275.78 = 255,311.10/x
  3. Step 3: Cross multiply
    454,850.55x = 682,275.78 × 255,311.10
  4. Step 4: Simplify right side
    454,850.55x = 174,192,579,895.16
  5. Step 5: Solve for x
    x = 174,192,579,895.16/454,850.55
  6. Step 6: Final answer
    x = 382,966.62

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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.