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Finding the Fourth Proportional to 504.34, 755.60 and 484.29

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Solution

The fourth proportional to 504.34, 755.60 and 484.29 is: 725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.34 : 755.60 = 484.29 : x
  2. Step 2: Convert to fraction form
    504.34/755.60 = 484.29/x
  3. Step 3: Cross multiply
    504.34x = 755.60 × 484.29
  4. Step 4: Simplify right side
    504.34x = 365,927.10
  5. Step 5: Solve for x
    x = 365,927.10/504.34
  6. Step 6: Final answer
    x = 725.56

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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.