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Finding the Fourth Proportional to 333.69, 460.52 and 215.74

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Solution

The fourth proportional to 333.69, 460.52 and 215.74 is: 297.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.69 : 460.52 = 215.74 : x
  2. Step 2: Convert to fraction form
    333.69/460.52 = 215.74/x
  3. Step 3: Cross multiply
    333.69x = 460.52 × 215.74
  4. Step 4: Simplify right side
    333.69x = 99,352.58
  5. Step 5: Solve for x
    x = 99,352.58/333.69
  6. Step 6: Final answer
    x = 297.74

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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.