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Finding the Fourth Proportional to 347,362.48, 479,208.04 and 204,057.87

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Solution

The fourth proportional to 347,362.48, 479,208.04 and 204,057.87 is: 281,510.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,362.48 : 479,208.04 = 204,057.87 : x
  2. Step 2: Convert to fraction form
    347,362.48/479,208.04 = 204,057.87/x
  3. Step 3: Cross multiply
    347,362.48x = 479,208.04 × 204,057.87
  4. Step 4: Simplify right side
    347,362.48x = 97,786,171,929.27
  5. Step 5: Solve for x
    x = 97,786,171,929.27/347,362.48
  6. Step 6: Final answer
    x = 281,510.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.