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Finding the Fourth Proportional to 941.06, 1,298.36 and 548.00

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Solution

The fourth proportional to 941.06, 1,298.36 and 548.00 is: 756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.06 : 1,298.36 = 548.00 : x
  2. Step 2: Convert to fraction form
    941.06/1,298.36 = 548.00/x
  3. Step 3: Cross multiply
    941.06x = 1,298.36 × 548.00
  4. Step 4: Simplify right side
    941.06x = 711,492.05
  5. Step 5: Solve for x
    x = 711,492.05/941.06
  6. Step 6: Final answer
    x = 756.06

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Why These Related Problems?

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