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Finding the Fourth Proportional to 967.99, 1,452.35 and 505.54

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Solution

The fourth proportional to 967.99, 1,452.35 and 505.54 is: 758.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.99 : 1,452.35 = 505.54 : x
  2. Step 2: Convert to fraction form
    967.99/1,452.35 = 505.54/x
  3. Step 3: Cross multiply
    967.99x = 1,452.35 × 505.54
  4. Step 4: Simplify right side
    967.99x = 734,221.02
  5. Step 5: Solve for x
    x = 734,221.02/967.99
  6. Step 6: Final answer
    x = 758.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.