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Finding the Fourth Proportional to 473.49, 710.27 and 165.35

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Solution

The fourth proportional to 473.49, 710.27 and 165.35 is: 248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.49 : 710.27 = 165.35 : x
  2. Step 2: Convert to fraction form
    473.49/710.27 = 165.35/x
  3. Step 3: Cross multiply
    473.49x = 710.27 × 165.35
  4. Step 4: Simplify right side
    473.49x = 117,438.77
  5. Step 5: Solve for x
    x = 117,438.77/473.49
  6. Step 6: Final answer
    x = 248.03

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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.