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Finding the Fourth Proportional to 473.85, 710.82 and 292.41

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Solution

The fourth proportional to 473.85, 710.82 and 292.41 is: 438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.85 : 710.82 = 292.41 : x
  2. Step 2: Convert to fraction form
    473.85/710.82 = 292.41/x
  3. Step 3: Cross multiply
    473.85x = 710.82 × 292.41
  4. Step 4: Simplify right side
    473.85x = 207,850.88
  5. Step 5: Solve for x
    x = 207,850.88/473.85
  6. Step 6: Final answer
    x = 438.64

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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.