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Finding the Fourth Proportional to 503.52, 755.64 and 375.36

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Solution

The fourth proportional to 503.52, 755.64 and 375.36 is: 563.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.52 : 755.64 = 375.36 : x
  2. Step 2: Convert to fraction form
    503.52/755.64 = 375.36/x
  3. Step 3: Cross multiply
    503.52x = 755.64 × 375.36
  4. Step 4: Simplify right side
    503.52x = 283,637.03
  5. Step 5: Solve for x
    x = 283,637.03/503.52
  6. Step 6: Final answer
    x = 563.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.