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Finding the Fourth Proportional to 451.84, 623.55 and 244.84

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Solution

The fourth proportional to 451.84, 623.55 and 244.84 is: 337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.84 : 623.55 = 244.84 : x
  2. Step 2: Convert to fraction form
    451.84/623.55 = 244.84/x
  3. Step 3: Cross multiply
    451.84x = 623.55 × 244.84
  4. Step 4: Simplify right side
    451.84x = 152,671.10
  5. Step 5: Solve for x
    x = 152,671.10/451.84
  6. Step 6: Final answer
    x = 337.88

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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.