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Finding the Fourth Proportional to 700.11, 1,049.45 and 334.62

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Solution

The fourth proportional to 700.11, 1,049.45 and 334.62 is: 501.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.11 : 1,049.45 = 334.62 : x
  2. Step 2: Convert to fraction form
    700.11/1,049.45 = 334.62/x
  3. Step 3: Cross multiply
    700.11x = 1,049.45 × 334.62
  4. Step 4: Simplify right side
    700.11x = 351,165.29
  5. Step 5: Solve for x
    x = 351,165.29/700.11
  6. Step 6: Final answer
    x = 501.59

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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.