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Finding the Fourth Proportional to 1,199.04, 1,654.71 and 675.03

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Solution

The fourth proportional to 1,199.04, 1,654.71 and 675.03 is: 931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199.04 : 1,654.71 = 675.03 : x
  2. Step 2: Convert to fraction form
    1,199.04/1,654.71 = 675.03/x
  3. Step 3: Cross multiply
    1,199.04x = 1,654.71 × 675.03
  4. Step 4: Simplify right side
    1,199.04x = 1,116,978.89
  5. Step 5: Solve for x
    x = 1,116,978.89/1,199.04
  6. Step 6: Final answer
    x = 931.56

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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.