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Finding the Fourth Proportional to 328,058.56, 452,737.60 and 200,694.40

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Solution

The fourth proportional to 328,058.56, 452,737.60 and 200,694.40 is: 276,968.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,058.56 : 452,737.60 = 200,694.40 : x
  2. Step 2: Convert to fraction form
    328,058.56/452,737.60 = 200,694.40/x
  3. Step 3: Cross multiply
    328,058.56x = 452,737.60 × 200,694.40
  4. Step 4: Simplify right side
    328,058.56x = 90,861,900,989.44
  5. Step 5: Solve for x
    x = 90,861,900,989.44/328,058.56
  6. Step 6: Final answer
    x = 276,968.54

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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.