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Finding the Fourth Proportional to 452.12, 623.67 and 265.58

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Solution

The fourth proportional to 452.12, 623.67 and 265.58 is: 366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.12 : 623.67 = 265.58 : x
  2. Step 2: Convert to fraction form
    452.12/623.67 = 265.58/x
  3. Step 3: Cross multiply
    452.12x = 623.67 × 265.58
  4. Step 4: Simplify right side
    452.12x = 165,631.16
  5. Step 5: Solve for x
    x = 165,631.16/452.12
  6. Step 6: Final answer
    x = 366.35

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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.