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Finding the Fourth Proportional to 696.48, 1,044.86 and 350.04

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Solution

The fourth proportional to 696.48, 1,044.86 and 350.04 is: 525.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.48 : 1,044.86 = 350.04 : x
  2. Step 2: Convert to fraction form
    696.48/1,044.86 = 350.04/x
  3. Step 3: Cross multiply
    696.48x = 1,044.86 × 350.04
  4. Step 4: Simplify right side
    696.48x = 365,742.79
  5. Step 5: Solve for x
    x = 365,742.79/696.48
  6. Step 6: Final answer
    x = 525.13

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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.