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Finding the Fourth Proportional to 1,224.08, 1,835.00 and 493.16

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Solution

The fourth proportional to 1,224.08, 1,835.00 and 493.16 is: 739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.08 : 1,835.00 = 493.16 : x
  2. Step 2: Convert to fraction form
    1,224.08/1,835.00 = 493.16/x
  3. Step 3: Cross multiply
    1,224.08x = 1,835.00 × 493.16
  4. Step 4: Simplify right side
    1,224.08x = 904,936.96
  5. Step 5: Solve for x
    x = 904,936.96/1,224.08
  6. Step 6: Final answer
    x = 739.28

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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.