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Finding the Fourth Proportional to 230,576.08, 343,572.05 and 205,422.88

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Solution

The fourth proportional to 230,576.08, 343,572.05 and 205,422.88 is: 306,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,576.08 : 343,572.05 = 205,422.88 : x
  2. Step 2: Convert to fraction form
    230,576.08/343,572.05 = 205,422.88/x
  3. Step 3: Cross multiply
    230,576.08x = 343,572.05 × 205,422.88
  4. Step 4: Simplify right side
    230,576.08x = 70,577,559,998.50
  5. Step 5: Solve for x
    x = 70,577,559,998.50/230,576.08
  6. Step 6: Final answer
    x = 306,092.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.