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Finding the Fourth Proportional to 334.36, 498.90 and 297.82

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Solution

The fourth proportional to 334.36, 498.90 and 297.82 is: 444.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.36 : 498.90 = 297.82 : x
  2. Step 2: Convert to fraction form
    334.36/498.90 = 297.82/x
  3. Step 3: Cross multiply
    334.36x = 498.90 × 297.82
  4. Step 4: Simplify right side
    334.36x = 148,581.71
  5. Step 5: Solve for x
    x = 148,581.71/334.36
  6. Step 6: Final answer
    x = 444.38

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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.