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Finding the Fourth Proportional to 374.24, 560.96 and 179.12

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Solution

The fourth proportional to 374.24, 560.96 and 179.12 is: 268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.24 : 560.96 = 179.12 : x
  2. Step 2: Convert to fraction form
    374.24/560.96 = 179.12/x
  3. Step 3: Cross multiply
    374.24x = 560.96 × 179.12
  4. Step 4: Simplify right side
    374.24x = 100,479.16
  5. Step 5: Solve for x
    x = 100,479.16/374.24
  6. Step 6: Final answer
    x = 268.49

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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.