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Finding the Fourth Proportional to 230,108.40, 344,579.40 and 219,610.80

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Solution

The fourth proportional to 230,108.40, 344,579.40 and 219,610.80 is: 328,859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,108.40 : 344,579.40 = 219,610.80 : x
  2. Step 2: Convert to fraction form
    230,108.40/344,579.40 = 219,610.80/x
  3. Step 3: Cross multiply
    230,108.40x = 344,579.40 × 219,610.80
  4. Step 4: Simplify right side
    230,108.40x = 75,673,357,697.52
  5. Step 5: Solve for x
    x = 75,673,357,697.52/230,108.40
  6. Step 6: Final answer
    x = 328,859.61

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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.