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Finding the Fourth Proportional to 343,793.55, 515,795.91 and 164,108.25

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Solution

The fourth proportional to 343,793.55, 515,795.91 and 164,108.25 is: 246,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,793.55 : 515,795.91 = 164,108.25 : x
  2. Step 2: Convert to fraction form
    343,793.55/515,795.91 = 164,108.25/x
  3. Step 3: Cross multiply
    343,793.55x = 515,795.91 × 164,108.25
  4. Step 4: Simplify right side
    343,793.55x = 84,646,364,147.26
  5. Step 5: Solve for x
    x = 84,646,364,147.26/343,793.55
  6. Step 6: Final answer
    x = 246,212.78

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1.5x scale

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.