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Finding the Fourth Proportional to 333.35, 497.59 and 309.26

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Solution

The fourth proportional to 333.35, 497.59 and 309.26 is: 461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.35 : 497.59 = 309.26 : x
  2. Step 2: Convert to fraction form
    333.35/497.59 = 309.26/x
  3. Step 3: Cross multiply
    333.35x = 497.59 × 309.26
  4. Step 4: Simplify right side
    333.35x = 153,884.68
  5. Step 5: Solve for x
    x = 153,884.68/333.35
  6. Step 6: Final answer
    x = 461.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.