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Finding the Fourth Proportional to 984.24, 1,476.56 and 334.96

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Solution

The fourth proportional to 984.24, 1,476.56 and 334.96 is: 502.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    984.24 : 1,476.56 = 334.96 : x
  2. Step 2: Convert to fraction form
    984.24/1,476.56 = 334.96/x
  3. Step 3: Cross multiply
    984.24x = 1,476.56 × 334.96
  4. Step 4: Simplify right side
    984.24x = 494,588.54
  5. Step 5: Solve for x
    x = 494,588.54/984.24
  6. Step 6: Final answer
    x = 502.51

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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.