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Finding the Fourth Proportional to 347,637.54, 479,780.22 and 211,751.04

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Solution

The fourth proportional to 347,637.54, 479,780.22 and 211,751.04 is: 292,241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,637.54 : 479,780.22 = 211,751.04 : x
  2. Step 2: Convert to fraction form
    347,637.54/479,780.22 = 211,751.04/x
  3. Step 3: Cross multiply
    347,637.54x = 479,780.22 × 211,751.04
  4. Step 4: Simplify right side
    347,637.54x = 101,593,960,556.43
  5. Step 5: Solve for x
    x = 101,593,960,556.43/347,637.54
  6. Step 6: Final answer
    x = 292,241.05

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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.