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Finding the Fourth Proportional to 501.01, 691.52 and 326.05

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Solution

The fourth proportional to 501.01, 691.52 and 326.05 is: 450.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.01 : 691.52 = 326.05 : x
  2. Step 2: Convert to fraction form
    501.01/691.52 = 326.05/x
  3. Step 3: Cross multiply
    501.01x = 691.52 × 326.05
  4. Step 4: Simplify right side
    501.01x = 225,466.74
  5. Step 5: Solve for x
    x = 225,466.74/501.01
  6. Step 6: Final answer
    x = 450.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.