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Finding the Fourth Proportional to 452.64, 624.42 and 266.02

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Solution

The fourth proportional to 452.64, 624.42 and 266.02 is: 366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.64 : 624.42 = 266.02 : x
  2. Step 2: Convert to fraction form
    452.64/624.42 = 266.02/x
  3. Step 3: Cross multiply
    452.64x = 624.42 × 266.02
  4. Step 4: Simplify right side
    452.64x = 166,106.65
  5. Step 5: Solve for x
    x = 166,106.65/452.64
  6. Step 6: Final answer
    x = 366.97

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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.