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Finding the Fourth Proportional to 333.61, 460.26 and 202.66

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Solution

The fourth proportional to 333.61, 460.26 and 202.66 is: 279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.61 : 460.26 = 202.66 : x
  2. Step 2: Convert to fraction form
    333.61/460.26 = 202.66/x
  3. Step 3: Cross multiply
    333.61x = 460.26 × 202.66
  4. Step 4: Simplify right side
    333.61x = 93,276.29
  5. Step 5: Solve for x
    x = 93,276.29/333.61
  6. Step 6: Final answer
    x = 279.60

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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.