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Finding the Fourth Proportional to 347,435.68, 479,456.66 and 196,532.68

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Solution

The fourth proportional to 347,435.68, 479,456.66 and 196,532.68 is: 271,212.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,435.68 : 479,456.66 = 196,532.68 : x
  2. Step 2: Convert to fraction form
    347,435.68/479,456.66 = 196,532.68/x
  3. Step 3: Cross multiply
    347,435.68x = 479,456.66 × 196,532.68
  4. Step 4: Simplify right side
    347,435.68x = 94,228,902,333.65
  5. Step 5: Solve for x
    x = 94,228,902,333.65/347,435.68
  6. Step 6: Final answer
    x = 271,212.51

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1.5x scale

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.