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Finding the Fourth Proportional to 943.02, 1,301.16 and 544.60

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Solution

The fourth proportional to 943.02, 1,301.16 and 544.60 is: 751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    943.02 : 1,301.16 = 544.60 : x
  2. Step 2: Convert to fraction form
    943.02/1,301.16 = 544.60/x
  3. Step 3: Cross multiply
    943.02x = 1,301.16 × 544.60
  4. Step 4: Simplify right side
    943.02x = 708,602.51
  5. Step 5: Solve for x
    x = 708,602.51/943.02
  6. Step 6: Final answer
    x = 751.42

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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.