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Finding the Fourth Proportional to 452.16, 623.70 and 335.70

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Solution

The fourth proportional to 452.16, 623.70 and 335.70 is: 463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.16 : 623.70 = 335.70 : x
  2. Step 2: Convert to fraction form
    452.16/623.70 = 335.70/x
  3. Step 3: Cross multiply
    452.16x = 623.70 × 335.70
  4. Step 4: Simplify right side
    452.16x = 209,376.09
  5. Step 5: Solve for x
    x = 209,376.09/452.16
  6. Step 6: Final answer
    x = 463.06

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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.