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Finding the Fourth Proportional to 481,376.75, 664,299.96 and 263,599.16

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Solution

The fourth proportional to 481,376.75, 664,299.96 and 263,599.16 is: 363,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,376.75 : 664,299.96 = 263,599.16 : x
  2. Step 2: Convert to fraction form
    481,376.75/664,299.96 = 263,599.16/x
  3. Step 3: Cross multiply
    481,376.75x = 664,299.96 × 263,599.16
  4. Step 4: Simplify right side
    481,376.75x = 175,108,911,444.03
  5. Step 5: Solve for x
    x = 175,108,911,444.03/481,376.75
  6. Step 6: Final answer
    x = 363,766.87

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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.