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Finding the Fourth Proportional to 385,193.44, 531,737.21 and 230,199.43

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Solution

The fourth proportional to 385,193.44, 531,737.21 and 230,199.43 is: 317,776.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,193.44 : 531,737.21 = 230,199.43 : x
  2. Step 2: Convert to fraction form
    385,193.44/531,737.21 = 230,199.43/x
  3. Step 3: Cross multiply
    385,193.44x = 531,737.21 × 230,199.43
  4. Step 4: Simplify right side
    385,193.44x = 122,405,602,651.79
  5. Step 5: Solve for x
    x = 122,405,602,651.79/385,193.44
  6. Step 6: Final answer
    x = 317,776.97

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1.5x scale

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.