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Finding the Fourth Proportional to 474.75, 711.52 and 352.04

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Solution

The fourth proportional to 474.75, 711.52 and 352.04 is: 527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.75 : 711.52 = 352.04 : x
  2. Step 2: Convert to fraction form
    474.75/711.52 = 352.04/x
  3. Step 3: Cross multiply
    474.75x = 711.52 × 352.04
  4. Step 4: Simplify right side
    474.75x = 250,479.06
  5. Step 5: Solve for x
    x = 250,479.06/474.75
  6. Step 6: Final answer
    x = 527.60

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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.