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Finding the Fourth Proportional to 230,110.40, 344,582.40 and 219,612.80

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Solution

The fourth proportional to 230,110.40, 344,582.40 and 219,612.80 is: 328,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,110.40 : 344,582.40 = 219,612.80 : x
  2. Step 2: Convert to fraction form
    230,110.40/344,582.40 = 219,612.80/x
  3. Step 3: Cross multiply
    230,110.40x = 344,582.40 × 219,612.80
  4. Step 4: Simplify right side
    230,110.40x = 75,674,705,694.72
  5. Step 5: Solve for x
    x = 75,674,705,694.72/230,110.40
  6. Step 6: Final answer
    x = 328,862.61

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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.