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Finding the Fourth Proportional to 531,279.25, 796,707.45 and 194,243.11

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Solution

The fourth proportional to 531,279.25, 796,707.45 and 194,243.11 is: 291,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,279.25 : 796,707.45 = 194,243.11 : x
  2. Step 2: Convert to fraction form
    531,279.25/796,707.45 = 194,243.11/x
  3. Step 3: Cross multiply
    531,279.25x = 796,707.45 × 194,243.11
  4. Step 4: Simplify right side
    531,279.25x = 154,754,930,856.40
  5. Step 5: Solve for x
    x = 154,754,930,856.40/531,279.25
  6. Step 6: Final answer
    x = 291,287.36

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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.