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Finding the Fourth Proportional to 955.37, 1,318.14 and 601.34

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Solution

The fourth proportional to 955.37, 1,318.14 and 601.34 is: 829.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.37 : 1,318.14 = 601.34 : x
  2. Step 2: Convert to fraction form
    955.37/1,318.14 = 601.34/x
  3. Step 3: Cross multiply
    955.37x = 1,318.14 × 601.34
  4. Step 4: Simplify right side
    955.37x = 792,643.72
  5. Step 5: Solve for x
    x = 792,643.72/955.37
  6. Step 6: Final answer
    x = 829.68

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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.