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Finding the Fourth Proportional to 474.26, 711.84 and 292.01

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Solution

The fourth proportional to 474.26, 711.84 and 292.01 is: 438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.26 : 711.84 = 292.01 : x
  2. Step 2: Convert to fraction form
    474.26/711.84 = 292.01/x
  3. Step 3: Cross multiply
    474.26x = 711.84 × 292.01
  4. Step 4: Simplify right side
    474.26x = 207,865.45
  5. Step 5: Solve for x
    x = 207,865.45/474.26
  6. Step 6: Final answer
    x = 438.29

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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.