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Finding the Fourth Proportional to 942.66, 1,301.04 and 549.63

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Solution

The fourth proportional to 942.66, 1,301.04 and 549.63 is: 758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    942.66 : 1,301.04 = 549.63 : x
  2. Step 2: Convert to fraction form
    942.66/1,301.04 = 549.63/x
  3. Step 3: Cross multiply
    942.66x = 1,301.04 × 549.63
  4. Step 4: Simplify right side
    942.66x = 715,090.62
  5. Step 5: Solve for x
    x = 715,090.62/942.66
  6. Step 6: Final answer
    x = 758.59

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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.