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Finding the Fourth Proportional to 328,940.52, 453,942 and 192,967.44

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Solution

The fourth proportional to 328,940.52, 453,942 and 192,967.44 is: 266,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,940.52 : 453,942 = 192,967.44 : x
  2. Step 2: Convert to fraction form
    328,940.52/453,942 = 192,967.44/x
  3. Step 3: Cross multiply
    328,940.52x = 453,942 × 192,967.44
  4. Step 4: Simplify right side
    328,940.52x = 87,596,025,648.48
  5. Step 5: Solve for x
    x = 87,596,025,648.48/328,940.52
  6. Step 6: Final answer
    x = 266,297.46

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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.