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Finding the Fourth Proportional to 1,302.03, 1,796.61 and 742.50

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Solution

The fourth proportional to 1,302.03, 1,796.61 and 742.50 is: 1,024.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.03 : 1,796.61 = 742.50 : x
  2. Step 2: Convert to fraction form
    1,302.03/1,796.61 = 742.50/x
  3. Step 3: Cross multiply
    1,302.03x = 1,796.61 × 742.50
  4. Step 4: Simplify right side
    1,302.03x = 1,333,982.93
  5. Step 5: Solve for x
    x = 1,333,982.93/1,302.03
  6. Step 6: Final answer
    x = 1,024.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.