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Finding the Fourth Proportional to 452.28, 624.36 and 297.04

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Solution

The fourth proportional to 452.28, 624.36 and 297.04 is: 410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.28 : 624.36 = 297.04 : x
  2. Step 2: Convert to fraction form
    452.28/624.36 = 297.04/x
  3. Step 3: Cross multiply
    452.28x = 624.36 × 297.04
  4. Step 4: Simplify right side
    452.28x = 185,459.89
  5. Step 5: Solve for x
    x = 185,459.89/452.28
  6. Step 6: Final answer
    x = 410.06

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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.