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Finding the Fourth Proportional to 481,375.75, 664,298.58 and 263,598.16

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Solution

The fourth proportional to 481,375.75, 664,298.58 and 263,598.16 is: 363,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,375.75 : 664,298.58 = 263,598.16 : x
  2. Step 2: Convert to fraction form
    481,375.75/664,298.58 = 263,598.16/x
  3. Step 3: Cross multiply
    481,375.75x = 664,298.58 × 263,598.16
  4. Step 4: Simplify right side
    481,375.75x = 175,107,883,378.61
  5. Step 5: Solve for x
    x = 175,107,883,378.61/481,375.75
  6. Step 6: Final answer
    x = 363,765.49

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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.