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Finding the Fourth Proportional to 326,124.26, 449,860.83 and 205,073.90

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Solution

The fourth proportional to 326,124.26, 449,860.83 and 205,073.90 is: 282,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,124.26 : 449,860.83 = 205,073.90 : x
  2. Step 2: Convert to fraction form
    326,124.26/449,860.83 = 205,073.90/x
  3. Step 3: Cross multiply
    326,124.26x = 449,860.83 × 205,073.90
  4. Step 4: Simplify right side
    326,124.26x = 92,254,714,865.34
  5. Step 5: Solve for x
    x = 92,254,714,865.34/326,124.26
  6. Step 6: Final answer
    x = 282,882.10

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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.