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Finding the Fourth Proportional to 480,532.50, 663,183.72 and 276,591.96

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Solution

The fourth proportional to 480,532.50, 663,183.72 and 276,591.96 is: 381,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,532.50 : 663,183.72 = 276,591.96 : x
  2. Step 2: Convert to fraction form
    480,532.50/663,183.72 = 276,591.96/x
  3. Step 3: Cross multiply
    480,532.50x = 663,183.72 × 276,591.96
  4. Step 4: Simplify right side
    480,532.50x = 183,431,284,954.89
  5. Step 5: Solve for x
    x = 183,431,284,954.89/480,532.50
  6. Step 6: Final answer
    x = 381,725.03

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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.