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Finding the Fourth Proportional to 348,660.96, 481,056.48 and 212,717.04

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Solution

The fourth proportional to 348,660.96, 481,056.48 and 212,717.04 is: 293,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,660.96 : 481,056.48 = 212,717.04 : x
  2. Step 2: Convert to fraction form
    348,660.96/481,056.48 = 212,717.04/x
  3. Step 3: Cross multiply
    348,660.96x = 481,056.48 × 212,717.04
  4. Step 4: Simplify right side
    348,660.96x = 102,328,910,498.42
  5. Step 5: Solve for x
    x = 102,328,910,498.42/348,660.96
  6. Step 6: Final answer
    x = 293,491.16

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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.