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Finding the Fourth Proportional to 474.10, 710.88 and 165.93

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Solution

The fourth proportional to 474.10, 710.88 and 165.93 is: 248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.10 : 710.88 = 165.93 : x
  2. Step 2: Convert to fraction form
    474.10/710.88 = 165.93/x
  3. Step 3: Cross multiply
    474.10x = 710.88 × 165.93
  4. Step 4: Simplify right side
    474.10x = 117,956.32
  5. Step 5: Solve for x
    x = 117,956.32/474.10
  6. Step 6: Final answer
    x = 248.80

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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.