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Finding the Fourth Proportional to 309.60, 466.59 and 294.96

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Solution

The fourth proportional to 309.60, 466.59 and 294.96 is: 444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    309.60 : 466.59 = 294.96 : x
  2. Step 2: Convert to fraction form
    309.60/466.59 = 294.96/x
  3. Step 3: Cross multiply
    309.60x = 466.59 × 294.96
  4. Step 4: Simplify right side
    309.60x = 137,625.39
  5. Step 5: Solve for x
    x = 137,625.39/309.60
  6. Step 6: Final answer
    x = 444.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.