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Finding the Fourth Proportional to 794.58, 1,192.20 and 502.30

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Solution

The fourth proportional to 794.58, 1,192.20 and 502.30 is: 753.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.58 : 1,192.20 = 502.30 : x
  2. Step 2: Convert to fraction form
    794.58/1,192.20 = 502.30/x
  3. Step 3: Cross multiply
    794.58x = 1,192.20 × 502.30
  4. Step 4: Simplify right side
    794.58x = 598,842.06
  5. Step 5: Solve for x
    x = 598,842.06/794.58
  6. Step 6: Final answer
    x = 753.66

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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.