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Finding the Fourth Proportional to 960.24, 1,439.84 and 595.20

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Solution

The fourth proportional to 960.24, 1,439.84 and 595.20 is: 892.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.24 : 1,439.84 = 595.20 : x
  2. Step 2: Convert to fraction form
    960.24/1,439.84 = 595.20/x
  3. Step 3: Cross multiply
    960.24x = 1,439.84 × 595.20
  4. Step 4: Simplify right side
    960.24x = 856,992.77
  5. Step 5: Solve for x
    x = 856,992.77/960.24
  6. Step 6: Final answer
    x = 892.48

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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.