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Finding the Fourth Proportional to 446.31, 607.91 and 445.10

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Solution

The fourth proportional to 446.31, 607.91 and 445.10 is: 606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.31 : 607.91 = 445.10 : x
  2. Step 2: Convert to fraction form
    446.31/607.91 = 445.10/x
  3. Step 3: Cross multiply
    446.31x = 607.91 × 445.10
  4. Step 4: Simplify right side
    446.31x = 270,575.48
  5. Step 5: Solve for x
    x = 270,575.48/446.31
  6. Step 6: Final answer
    x = 606.25

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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.