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Finding the Fourth Proportional to 504.02, 755.46 and 382.83

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Solution

The fourth proportional to 504.02, 755.46 and 382.83 is: 573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.02 : 755.46 = 382.83 : x
  2. Step 2: Convert to fraction form
    504.02/755.46 = 382.83/x
  3. Step 3: Cross multiply
    504.02x = 755.46 × 382.83
  4. Step 4: Simplify right side
    504.02x = 289,209.92
  5. Step 5: Solve for x
    x = 289,209.92/504.02
  6. Step 6: Final answer
    x = 573.80

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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.