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Finding the Fourth Proportional to 955.08, 1,317.94 and 541

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Solution

The fourth proportional to 955.08, 1,317.94 and 541 is: 746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.08 : 1,317.94 = 541 : x
  2. Step 2: Convert to fraction form
    955.08/1,317.94 = 541/x
  3. Step 3: Cross multiply
    955.08x = 1,317.94 × 541
  4. Step 4: Simplify right side
    955.08x = 713,005.54
  5. Step 5: Solve for x
    x = 713,005.54/955.08
  6. Step 6: Final answer
    x = 746.54

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1.5x scale

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.