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Finding the Fourth Proportional to 501.37, 691.06 and 335.52

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Solution

The fourth proportional to 501.37, 691.06 and 335.52 is: 462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.37 : 691.06 = 335.52 : x
  2. Step 2: Convert to fraction form
    501.37/691.06 = 335.52/x
  3. Step 3: Cross multiply
    501.37x = 691.06 × 335.52
  4. Step 4: Simplify right side
    501.37x = 231,864.45
  5. Step 5: Solve for x
    x = 231,864.45/501.37
  6. Step 6: Final answer
    x = 462.46

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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.