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Finding the Fourth Proportional to 941.36, 1,298.76 and 548.06

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Solution

The fourth proportional to 941.36, 1,298.76 and 548.06 is: 756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.36 : 1,298.76 = 548.06 : x
  2. Step 2: Convert to fraction form
    941.36/1,298.76 = 548.06/x
  3. Step 3: Cross multiply
    941.36x = 1,298.76 × 548.06
  4. Step 4: Simplify right side
    941.36x = 711,798.41
  5. Step 5: Solve for x
    x = 711,798.41/941.36
  6. Step 6: Final answer
    x = 756.14

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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.