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Finding the Fourth Proportional to 358.10, 536.84 and 334.40

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Solution

The fourth proportional to 358.10, 536.84 and 334.40 is: 501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.10 : 536.84 = 334.40 : x
  2. Step 2: Convert to fraction form
    358.10/536.84 = 334.40/x
  3. Step 3: Cross multiply
    358.10x = 536.84 × 334.40
  4. Step 4: Simplify right side
    358.10x = 179,519.30
  5. Step 5: Solve for x
    x = 179,519.30/358.10
  6. Step 6: Final answer
    x = 501.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.