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Finding the Fourth Proportional to 466.84, 644.88 and 373.72

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Solution

The fourth proportional to 466.84, 644.88 and 373.72 is: 516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.84 : 644.88 = 373.72 : x
  2. Step 2: Convert to fraction form
    466.84/644.88 = 373.72/x
  3. Step 3: Cross multiply
    466.84x = 644.88 × 373.72
  4. Step 4: Simplify right side
    466.84x = 241,004.55
  5. Step 5: Solve for x
    x = 241,004.55/466.84
  6. Step 6: Final answer
    x = 516.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.