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Finding the Fourth Proportional to 794.38, 1,192.08 and 534.48

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Solution

The fourth proportional to 794.38, 1,192.08 and 534.48 is: 802.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.38 : 1,192.08 = 534.48 : x
  2. Step 2: Convert to fraction form
    794.38/1,192.08 = 534.48/x
  3. Step 3: Cross multiply
    794.38x = 1,192.08 × 534.48
  4. Step 4: Simplify right side
    794.38x = 637,142.92
  5. Step 5: Solve for x
    x = 637,142.92/794.38
  6. Step 6: Final answer
    x = 802.06

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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.